This is a list of chemicals pages being curated by some folks who volunteered on the recent #wikichem chats. Many of the inorganics are missing from this list, but can be found over at Wikipedia:WikiProject Chemicals/Inorganics.
- (-)-1-(Benzofuran-2-yl)-2-propylaminopentane
- (-)-1-phenyl-2-propylaminopentane
- (-)-2β-Carbomethoxy-3β-(4-fluorophenyl)tropane
- (-)-2β-Carbomethoxy-3β-phenyltropane
- (Bis(trifluoroacetoxy)iodo)benzene
- 1-(3-Chlorophenyl)piperazine
- 1-Methyl-4-benzylpiperazine
- 11-Hydroxy-THC
- 17-Hydroxyprogesterone
- 17-N-Allylamino-17-demethoxygeldanamycin
- 18-Methoxycoronaridine
- 2-Arachidonoylglycerol
- 2-Arachidonyl glyceryl ether
- 2-Chlorophenol
- 2-Heptanone
- 2-Iodoxybenzoic acid
- 2-Me-DET
- 2-Oxazolidone
- 2-Phenylphenol
- 20-hydroxyecdysone
- 2C-B
- 2C-B-FLY
- 2C-C
- 2C-D
- 2C-E
- 2C-F
- 2C-G
- 2C-H
- 2C-I
- 2C-N
- 2C-O
- 2C-O-4
- 2C-P
- 2C-SE
- 2C-T
- 2C-T-13
- 2C-T-15
- 2C-T-17
- 2C-T-2
- 2C-T-21
- 2C-T-4
- 2C-T-7
- 2C-T-8
- 2C-T-9
- 2C-TFM
- 3-Aminopyridine-2-carboxaldehyde thiosemicarbazone
- 3-Methylfentanyl
- 3-Methylthiofentanyl
- 3-Quinuclidinyl benzilate
- 3-allylfentanyl
- 3C-BZ
- 3C-E
- 3C-P
- 4-Acetoxy-DET
- 4-Acetoxy-DIPT
- 4-Aminobenzoic acid
- 4-Chlorodehydromethyltestosterone
- 4-D (psychedelic)
- 4-Dimethylaminophenol
- 4-Fluoroamphetamine
- 4-Fluoromethamphetamine
- 4-HO-DBT
- 4-HO-DET
- 4-HO-DPT
- 4-HO-DiPT
- 4-HO-MET
- 4-HO-MPT
- 4-HO-pyr-T
- 4-Hydroxy-4-methylpentanoic acid
- 4-Hydroxy-5-methoxydimethyltryptamine
- 4-Hydroxytestosterone
- 4-MTA
- 4-MeO-MiPT
- 4-Methyl-aminorex
- 4-Methylbenzylidene camphor
- 5-Azacytidine
- 5-Hydroxytryptophan
- 5-MeO-2,N,N-TMT
- 5-MeO-AET
- 5-MeO-AMT
- 5-MeO-DALT
- 5-MeO-DET
- 5-MeO-DMT
- 5-MeO-DPT
- 5-MeO-MiPT
- 5-MeO-NMT
- 5-MeO-pyr-T
- 5-MeS-DMT
- 5-Methoxy-diisopropyltryptamine
- 6-Hydroxydopamine
- 6-MeO-THH
- 6-Methylenedihydrodesoxymorphine
- 7-Hydroxyamoxapine
- 7-PET
- 7-alpha-hydroxycholesterol
- 8-Aminoquinoline
- 8-Hydroxyquinoline
- 9,10-Bis(phenylethynyl)anthracene
- ABT-239
- ABVD
- AEM (psychedelic)
- AL-LAD
- ALD-52
- ALPHA (psychedelic)
- AM404
- AMPA
- AMPT
- AP7 (drug)
- APV (NMDAR antagonist)
- AZD2171
- Abacavir
- Abarelix
- Abiraterone
- Acamprosate
- Acarbose
- Acebutolol
- Aceclidine
- Acenocoumarol
- Acepromazine
- Aceprometazine
- Acetasol
- Acetazolamide
- Acetic anhydride
- Acetohexamide
- Acetohydroxamic acid
- Acetone
- Acetonitrile
- Acetophenazine
- Acetorphine
- Acetoxyketobemidone
- Acetyl-CoA
- Acetyl iodide
- Acetylcarnitine
- Acetylcholine
- Acetylcysteine
- Acetyldihydrocodeine
- Acetylleucine
- Acetylmorphone
- Acibenzolar
- Aciclovir
- Acipimox
- Acitretin
- Aconitine
- Acridine orange
- Acridine yellow
- Acriflavine
- Acrisorcin
- Acrivastine
- Actinium
- Actiq
- Activella
- Adapalene
- Adderall
- Adefovir
- Adenine
- Adenosine
- Adenosine thiamine triphosphate
- Adenosine triphosphate
- Adinazolam
- Adipate
- Adrafinil
- Adrenalone
- Adrenosterone
- Advil
- Aflatoxin
- Afloqualone
- Afrin (nasal spray)
- Agent Orange
- Agmatine
- Agomelatine
- Ajmaline
- Ajulemic acid
- Alagebrium
- Alanine (data page)
- Alaproclate
- Alatrofloxacin
- Albendazole
- Alclometasone
- Alcuronium
- Aldesulfone sodium
- Aldol
- Aldosterone
- Alendronate
- Aleph (psychedelic)
- Alfentanil
- Alfuzosin
- Alimemazine
- Aliskiren
- Alitretinoin
- Alizapride
- Allicin
- Allobarbital
- Allopurinol
- Allose
- Allura Red AC
- Allyl alcohol
- Allyl isothiocyanate
- Allylamine
- Allylescaline
- Allylprodine
- Allysine
- Almitrine
- Almotriptan
- Alosetron
- Alpha-Ethyltryptamine
- Alpha-Methyltryptamine
- Alpha-Pinene
- Alpha-amanitin
- Alpha-pyrrolidinopropiophenone
- Alphamethylacetylfentanyl
- Alphamethylfentanyl
- Alphamethylthiofentanyl
- Alphenal
- Alpidem
- Alprazolam
- Althesin
- Aluminium clofibrate
- Aluminium isopropoxide
- Aluminium monofluoride
- Aluminium monostearate
- Aluminium silicate
- Aluminium sulfate (data page)
- Aluminon
- Alvimopan
- Amantadine
- Ambenonium chloride
- Ambien CR
- Ambrisentan
- Ambucetamide
- Americium
- Amido black
- Amidol
- Amidrine
- Amifostine
- Amikacin
- Amiloride
- Amineptine
- Aminocaproic acid
- Aminocoumarin
- Aminoglutethimide
- Aminophylline
- Aminopterin
- Aminorex
- Aminosalicylic acid
- Aminothiazole
- Amiodarone
- Amisulpride
- Amitraz
- Amitriptyline
- Amlexanox
- Amlodipine
- Amlodipine/benazepril
- Ammonia
- Ammonium Iron Sulphate
- Ammonium bicarbonate
- Ammonium bromide
- Ammonium carbonate
- Ammonium cerium(IV) sulfate
- Ammonium chlorate
- Ammonium chloride
- Ammonium ferric citrate
- Ammonium fluoride
- Ammonium iodide
- Ammonium lauryl sulfate
- Ammonium persulfate
- Ammonium sulfate
- Ammonium thioglycolate
- Amobarbital
- Amodiaquine
- Amorolfine
- Amoxapine
- Amoxicillin
- Amphenicol
- Amphetamine
- Amphetaminil
- Amphotericin B
- Ampicillin
- Ampicillin/sulbactam
- Amprenavir
- Ampyrone
- Amsacrine
- Amtolmetin guacil
- Amyl alcohol
- Amyl nitrite
- Amylmetacresol
- Anabasine
- Anagrelide
- Anandamide
- Anastrozole
- Anbesol
- Androstadienone
- Androstenediol
- Androstenol
- Androstenone
- Androsterone
- Anecortave
- Anethole
- Anidulafungin
- Anileridine
- Aniline Blue WS
- Anilinium chloride
- Aniracetam
- Anisindione
- Anisomycin
- Anisoyl chloride
- Ansamycin
- Antazoline
- Anthranilic acid
- Anthrone
- Antidote
- Antimonate
- Antimonite
- Antimony
- Antimony(III) acetate
- Antimony pentachloride
- Antimony pentafluoride
- Antimony tribromide
- Antimony trichloride
- Antimony trifluoride
- Antimony triiodide
- Antimycin A
- Aphidicolin
- Apiol
- Apixaban
- Apomorphine
- Apraclonidine
- Apramycin
- Aprepitant
- Aprindine
- Aprobarbital
- Apronal
- Arachidic acid
- Arbidol
- Arecoline
- Arfendazam
- Argatroban
- Arginine
- Arginine (data page)
- Argon
- Argon fluorohydride
- Ariadne (psychedelic)
- Arimoclomol
- Aripiprazole
- Aristolochic acid
- Armodafinil
- Arsenic
- Arsenic pentoxide
- Arsenic tribromide
- Arsenic trichloride
- Arsenic trioxide
- Arsenic trioxide (data page)
- Arsenite
- Arsphenamine
- Artelinic acid
- Artemisinin
- Artemotil
- Artenimol
- Artesunate
- Arthrotec
- Articaine
- Aryne
- Asarone
- Ascofuranone
- Ascomycin
- Ascorbic acid
- Asenapine
- Asoprisnil
- Asparagine (data page)
- Asparagusic acid
- Aspartic acid
- Aspartic acid (data page)
- Aspirin
- Astatine
- Astemizole
- Asymbescaline
- Atazanavir
- Atenolol
- Atomoxetine
- Atorvastatin
- Atosiban
- Atovaquone
- Atracurium
- Atropine
- Auramine O
- Auranofin
- Aurothioglucose
- Avanafil
- Avizafone
- Avobenzone
- Azalide
- Azaperone
- Azatadine
- Azathioprine
- Azelaic acid
- Azelastine
- Azido
- Azimilide
- Azinphos-methyl
- Azithromycin
- Azlocillin
- Azobenzene
- Azobisisobutylonitrile
- Azorubine
- Aztreonam
- Azulene
- BBR3464
- BCDMH
- BIMU8
- BOB (psychedelic)
- BOD (psychedelic)
- BOHD (psychedelic)
- BOH (psychedelic)
- BOM (psychedelic)
- BU-LAD
- Bacitracin
- Baclofen
- Baeocystin
- Balsalazide
- Bambuterol
- Barbexaclone
- Barbital
- Barbiturate
- Barium
- Barium bromide
- Barium carbonate
- Barium hydroxide (data page)
- Barium sulfate
- Barium sulfide
- Barium titanate
- Bazedoxifene
- Beatrice (psychedelic)
- Beauvericin
- Beclamide
- Beclometasone dipropionate
- Befunolol
- Befuraline
- Behentrimonium chloride
- Bemegride
- Bemotrizinol
- Benactyzine
- Benadryl
- Benazepril
- Bendazac
- Bendectin
- Bendroflumethiazide
- Benfluorex
- Benfotiamine
- Benorylate
- Benperidol
- Benproperine
- Benserazide
- Bentazepam
- Benzaldehyde
- Benzalkonium chloride
- Benzamide
- Benzamycin
- Benzatropine
- Benzedrine
- Benzethidine
- Benzethonium chloride
- Benzimidazole
- Benzisothiazolinone
- Benznidazole
- Benzocaine
- Benzoctamine
- Benzocycloheptenes
- Benzodiazepine
- Benzothiadiazine
- Benzoxonium chloride
- Benzoyl chloride
- Benzoyl peroxide
- Benzphetamine
- Benzydamine
- Benzyl alcohol
- Benzyl benzoate
- Benzyl bromide
- Benzyl chloride
- Benzylmorphine
- Benzylpiperazine
- Bepridil
- Beryllium
- Beryllium carbonate
- Beryllium chloride
- Beryllium fluoride
- Beryllium hydroxide
- Beta-Carboline
- Beta-D
- Beta-Hydroxybutyric acid
- Beta-Pinene
- Beta-alanine
- Beta-alanine ethyl ester
- Beta-hydroxy beta-methylbutyrate
- Beta-hydroxybutyryl-CoA
- Beta-methyl-phenethylamine
- Beta-methylamino L-alanine
- Beta-sitosterol
- Betadine
- Betahistine
- Betahydroxyfentanyl
- Betahydroxythiofentanyl
- Betamethylfentanyl
- Betanin
- Betaxolol
- Bethanechol
- Betulin
- Betulinic acid
- Bezafibrate
- Bezitramide
- Bibenzonium bromide
- Bicalutamide
- Bicarbonate
- Biclotymol
- Bicuculline
- Biebrich scarlet
- Bifeprunox
- Bifonazole
- Biguanide
- Bilirubin
- Bilirubin (data page)
- Bilobalide
- Bimatoprost
- Biopterin
- Biotin
- Biperiden
- Biricodar
- Bis(2,4,5-trichlorophenyl-6-carbopentoxyphenyl)oxalate
- Bis(2-chloroethyl)ethylamine
- Bis(trimethylsilyl)amine
- Bis(trimethylsilyl)mercury
- Bis(trimethylsilyl)sulfide
- Bis(triphenylphosphine)iminium chloride
- Bis-TOM
- Bisacodyl
- Bisdisulizole disodium
- Bismanol
- Bismarck brown Y
- Bismuth
- Bismuth chloride
- Bismuth subgallate
- Bismuth subsalicylate
- Bismuthide
- Bisoctrizole
- Bisoprolol
- Bistriflimide
- Bivalirudin
- Bk-MBDB
- Bk-MDEA
- Bleomycin
- Boldenone
- Bombykol
- Borabenzene
- Borate
- Borazine
- Boric acid
- Borirane
- Borirene
- Bornaprine
- Borneol
- Boromycin
- Boron
- Boron tribromide
- Boron trichloride
- Boron trifluoride
- Boronic acid
- Bortezomib
- Bosentan
- Boswellic acid
- Brallobarbital
- Brasofensine
- Brassinosteroid
- Brefeldin A
- Bremelanotide
- Bretazenil
- Bretylium
- Brevetoxin
- Brifentanil
- Brilliant Blue FCF
- Brinzolamide
- Brivaracetam
- Brivudine
- Brodifacoum
- Brodimoprim
- Brofaromine
- Bromate
- Bromazepam
- Bromazine
- Bromethalin
- Bromhexine
- Bromic acid
- Bromide
- Bromine
- Bromine monochloride
- Bromine pentafluoride
- Bromine trifluoride (data page)
- Bromisoval
- Bromo-DragonFLY
- Bromobenzyl cyanide
- Bromobimane
- Bromochlorodifluoromethane
- Bromochloromethane
- Bromocresol green
- Bromocresol purple
- Bromocriptine
- Bromodeoxyuridine
- Bromodifluoromethane
- Bromofluoromethane
- Bromoform
- Bromoiodomethane
- Bromomethane
- Bromopride
- Bromopyruvic acid
- Bromperidol
- Brompheniramine
- Brotizolam
- Brucine
- Bucillamine
- Budesonide
- Budipine
- Bufagin
- Bufanolide
- Buformin
- Bufotenin
- Bufotoxin
- Bulbocapnine
- Bumetanide
- Bunaftine
- Buparvaquone
- Bupivacaine
- Buprenorphine
- Bupropion
- Burimamide
- Buscaline
- Buserelin
- Buspirone
- Busulfan
- Butabarbital
- Butalbital
- Butallylonal
- Butamirate
- Butane
- Butane (data page)
- Butanol
- Butanone
- Butaxamine
- Butenafine
- Butobarbital
- Butoconazole
- Butorphanol
- Butriptyline
- Butyl iodide
- Butyl nitrite
- Butylated hydroxyanisole
- Butylated hydroxytoluene
- Butylscopolamine
- Butyramide
- Butyrophenone
- Butyryl CoA
- Butyryl phosphate
- Butyrylcholine
- CANA
- CDB-4124
- CMF (therapy)
- CNQX
- CTFE
- CX-516
- CYP-LAD
- Cabergoline
- Cadmium bromide
- Cadmium chloride
- Caduet
- Caesium acetate
- Caesium bromide
- Cafedrine
- Cafergot
- Caffeine
- Caffeine citrate
- Calcein
- Calcidiol
- Calcipotriol
- Calcitriol
- Calcium
- Calcium acetate
- Calcium alpha-ketoglutarate
- Calcium benzoate
- Calcium borate
- Calcium bromide
- Calcium carbimide
- Calcium carbonate
- Calcium citrate
- Calcium cyanamide
- Calcium dihydrogen phosphate
- Calcium fluoride
- Calcium formate
- Calcium glubionate
- Calcium glucoheptonate
- Calcium gluconate
- Calcium glycerylphosphate
- Calcium hydroxide
- Calcium hydroxide (data page)
- Calcium inosinate
- Calcium iodate
- Calcium iodide
- Calcium lactate
- Calcium lactate gluconate
- Calcium magnesium acetate
- Calcium malate
- Calcium oxalate
- Calcium phosphate
- Calcium propionate
- Calcium pyrophosphate
- Calcium silicate
- Calcium sulfate
- Calcium sulfate (data page)
- Calcium sulfide
- Calcium tartrate
- Californium
- Calpol
- Calyculin
- Camazepam
- Camphor
- Camphoric acid
- Camptothecin
- Candesartan
- Candex
- Cannabicyclol
- Cannabidiol
- Cannabidivarin
- Cannabigerol
- Cannabinol
- Cannabivarin
- Canrenone
- Capecitabine
- Capreomycin
- Caprylic acid
- Captagon
- Captodiame
- Captopril
- Carbachol
- Carbadox
- Carbamazepine
- Carbamide peroxide
- Carbapenem
- Carbarsone
- Carbazole
- Carbenicillin
- Carbenoxolone
- Carbidopa
- Carbidopa/levodopa
- Carbimazole
- Carbinoxamine
- Carbocisteine
- Carbon
- Carbon dioxide (data page)
- Carbon disulfide
- Carbon monoxide
- Carbon monoxide (data page)
- Carbon suboxide
- Carbon tetraiodide
- Carboplatin
- Carboprost
- Carboxybenzyl
- Carbromal
- Cardanolide
- Cardenolide
- Carene
- Carfentanil
- Carglumic acid
- Carisbamate
- Carisoprodol
- Carmine
- Carminic acid
- Carmustine
- Carnitine
- Carnosine
- Carotene
- Carpacin
- Carpaine
- Carperidine
- Carphedon
- Carprofen
- Carteolol
- Carthamin
- Carvedilol
- Carveol
- Carvone
- Caryophyllene
- Caspofungin
- Catalin
- Catechin
- Catecholborane
- Cathine
- Cathinone
- Caverject
- Cedax
- Cefacetrile
- Cefaclor
- Cefadroxil
- Cefalexin
- Cefaloglycin
- Cefaloridine
- Cefalotin
- Cefamandole
- Cefapirin
- Cefatrizine
- Cefazedone
- Cefazolin
- Cefdinir
- Cefditoren
- Cefepime
- Cefetamet
- Cefixime
- Cefmenoxime
- Cefmetazole
- Cefodizime
- Cefonicid
- Ceforanide
- Cefotaxime
- Cefotetan
- Cefotiam
- Cefoxitin
- Cefpiramide
- Cefpodoxime
- Cefprozil
- Cefquinome
- Cefradine
- Cefsulodin
- Ceftazidime
- Ceftezole
- Ceftibuten
- Ceftiofur
- Ceftizoxime
- Ceftobiprole
- Ceftriaxone
- Cefuroxime
- Celecoxib
- Celgene
- Centrophenoxine
- Cephalon
- Cephem
- Cerebroside
- Cerium
- Cerium(III) chloride
- Cerium(IV) oxide
- Cerivastatin
- Cerulenin
- Cetirizine
- Cetrimonium
- Cetrimonium bromide
- Cetrimonium chloride
- Cetrorelix
- Cetylpyridinium chloride
- Cevimeline
- Chelerythrine
- Chloral hydrate
- Chloralodol
- Chlorambucil
- Chloramphenicol
- Chlorcyclizine
- Chlordiazepoxide
- Chlorfenvinphos
- Chlorhexidine
- Chlorine dioxide
- Chlormezanone
- Chlorobutanol
- Chloroethane
- Chloroform
- Chloromethane
- Chloromethyl chloroformate
- Chlorophenol red
- Chlorophyll
- Chlorophyllin
- Chloroprocaine
- Chloropyramine
- Chloroquine
- Chlorosilane
- Chlorosulfonyl isocyanate
- Chlorosulfuric acid
- Chlorothiazide
- Chlorotrianisene
- Chlorotrifluoromethane
- Chlorous acid
- Chloroxylenol
- Chlorphenamine
- Chlorpheniramine and phenylpropanolamine
- Chlorphenoxamine
- Chlorphentermine
- Chlorpromazine
- Chlorpropamide
- Chlorprothixene
- Chlorpyrifos
- Chlorquinaldol
- Chlortalidone
- Chlortetracycline
- Chlortoluron
- Chlorzoxazone
- Cholane
- Cholestane
- Cholesterol
- Cholesteryl benzoate
- Cholesteryl chloride
- Cholesteryl nonanoate
- Cholesteryl oleyl carbonate
- Choline
- Choline chloride
- Chromium
- Chromium(II) acetate
- Chromium(II) chloride
- Chromium(III) chloride
- Chromium(III) fluoride
- Chromium(III) picolinate
- Chromium sulfate
- Chromomycin A3
- Chromyl chloride
- Chrysanthenone
- Chrysoine resorcinol
- Ciclesonide
- Cicletanine
- Ciclopirox
- Ciclosporin
- Cidofovir
- Cilansetron
- Cilazapril
- Cilengitide
- Cilostazol
- Cimetidine
- Cinacalcet
- Cinchocaine
- Cinchophen
- Cinnamaldehyde
- Cinnamic acid
- Cinnarizine
- Cinnoline
- Cinolazepam
- Cinoxacin
- Cinoxate
- Ciprofibrate
- Ciprofloxacin
- Ciramadol
- Cisapride
- Cisatracurium
- Cisplatin
- Citalopram
- Citicoline
- Citral
- Citric acid
- Citrus Red 2
- Civetone
- Cladribine
- Clarithromycin
- Clavulanic acid
- Clebopride
- Clemastine
- Clenbuterol
- Clidinium
- Clindamycin
- Clioquinol
- Clobazam
- Clobenzorex
- Clobetasone
- Clobutinol
- Clodronate
- Clofarabine
- Clofazimine
- Clofedanol
- Clofenciclan
- Clofezone
- Clofibrate
- Clofibric acid
- Clofibride
- Clofoctol
- Clomazone
- Clomethiazole
- Clomifene
- Clominorex
- Clomipramine
- Clomocycline
- Clonazepam
- Clonidine
- Clonitazene
- Clopamide
- Cloperastine
- Clopidogrel
- Clorazepate
- Clorgiline
- Cloricromen
- Clorindione
- Cloroqualone
- Clortermine
- Clostebol
- Clotiazepam
- Clotrimazole
- Cloxacillin
- Cloxazolam
- Clozapine
- Cnicin
- Co-amilozide
- Co-amoxiclav
- Co-codamol
- Co-codaprin
- Co-dydramol
- Co-fluampicil
- Co-tenidone
- Co-trimoxazole
- Coartem
- Cobalt
- Cobalt(II) chlorate
- Cobalt(II) chloride
- Cobalt(II) fluoride
- Cobalt(II) nitrate
- Cobalt(II) oxide
- Cobalt(III) fluoride
- Cobalt(III) hexammine chloride
- Cobalt carbonate
- Cobaltocene
- Cobamamide
- Cocaine
- Cocamide DEA
- Cocamide TEA
- Cocamidopropyl betaine
- Codeine
- Codeinone
- Coenzyme A
- Coenzyme B
- Coenzyme F420
- Coenzyme M
- Coenzyme Q10
- Colchicine
- Colistin
- Coluracetam
- Combivir
- Condylox
- Conivaptan
- Copper
- Copper(I)-thiophene-2-carboxylate
- Copper(I) bromide
- Copper(I) chloride
- Copper(I) cyanide
- Copper(I) fluoride
- Copper(I) iodide
- Copper(I) oxide
- Copper(II) acetate
- Copper(II) arsenate
- Copper(II) azide
- Copper(II) bromide
- Copper(II) carbonate
- Copper(II) chloride
- Copper(II) fluoride
- Copper(II) hydroxide
- Copper(II) nitrate
- Copper(II) oxide
- Copper(II) sulfate
- Copper(II) triflate
- Copper aspirinate
- Copper benzoate
- Copper fluoride
- Copper gluconate
- Coprostanol
- Coptisine
- Corex
- Coricidin
- Corrin
- Corrole
- Cortexolone
- Cortisol
- Cortisporin
- Cortivazol
- Corvalol
- Cotinine
- Cotrifazid
- Coumaric acid
- Coumarin
- Coumatetralyl
- Crabtree's catalyst
- Creatine
- Creatine ethyl ester
- Cresidinesulfonic acid
- Cresol
- Cresol Red
- Crocetin
- Cromoglicate
- Crotamiton
- Crotonaldehyde
- Crotyl alcohol
- Crotylbarbital
- Cryogenine
- Cryolite
- Cryptoxanthin
- Crystal violet lactone
- Crystalline copper
- Cubane
- Cubebol
- Cuminaldehyde
- Cupferron
- Curcumin
- Curium
- Cyanic acid
- Cyanide
- Cyanidin
- Cyanoacrylate
- Cyanogen
- Cyanogen bromide
- Cyanogen chloride
- Cyanotoxin
- Cyclamic acid
- Cyclazocine
- Cyclen
- Cyclizine
- Cycloartenol
- Cyclobarbital
- Cyclobenzaprine
- Cyclobutadieneiron tricarbonyl
- Cyclobutyne
- Cyclodextrin
- Cycloguanil
- Cycloheptane
- Cyclohexane
- Cyclohexane (data page)
- Cyclohexanecarboxylic acids
- Cyclohexanol
- Cyclohexenone
- Cycloheximide
- Cyclohexyl nitrite
- Cyclohexylamine
- Cycloleucine
- Cyclooctadiene rhodium chloride dimer
- Cyclooctane
- Cyclopal
- Cyclopamine
- Cyclopentadienylmolybdenum tricarbonyl dimer
- Cyclopentamine
- Cyclopentanol
- Cyclopentanone
- Cyclopentasiloxane
- Cyclophosphamide
- Cyclopiazonic acid
- Cyclopropane
- Cyclopropanone
- Cyclopropylmescaline
- Cyclosarin
- Cycloserine
- Cylindrospermopsin
- Cymene
- Cypenamine
- Cypermethrin
- Cyprazepam
- Cyprenorphine
- Cyprodenate
- Cyproheptadine
- Cyproterone
- Cystamine
- Cysteamine
- Cysteine
- Cysteine (data page)
- Cytarabine
- Cytidine triphosphate
- Cytisine
- Cytochalasin D
- D-Aminolevulinic acid
- D-Galacturonic acid
- D-Lysergic acid N-(α-hydroxyethyl)amide
- DABCO
- DAM-57
- DAPI
- DBDMH
- DEET
- DESOXY
- DHA-clozapine
- DHEA sulfate
- DMCPA
- DME (psychedelic)
- DMMDA
- DMMDA-2
- DMPEA
- DMPU
- DNQX
- DOAM
- DOBU
- DOEF
- DOPR
- DSS (NMR Standard)
- Dabigatran
- Dacarbazine
- Daigremontianin
- Danazol
- Danishefsky’s diene
- Dansyl chloride
- Dantrolene
- Dantron
- Dapiprazole
- Dapsone
- Daptomycin
- Darifenacin
- Darunavir
- Dasatinib
- Daunorubicin
- Decamethonium
- Decanal
- Decitabine
- Deferasirox
- Deferiprone
- Deferoxamine
- Dehydroalanine
- Dehydroepiandrosterone
- Delavirdine
- Delorazepam
- Delphinidin
- Delsym
- Delta-Valerolactone
- Demeclocycline
- Demeton-S-methyl
- Denatonium
- Deoxyguanosine triphosphate
- Depo-Provera
- DepoDur
- Deptropine
- Dequalinium
- Deracoxib
- Desflurane
- Desipramine
- Desloratadine
- Desmopressin
- Desmosine
- Desogestrel
- Desoxycorticosterone
- Desoxymethyltestosterone
- Desoxyn
- Desoxypipradrol
- Dess-Martin periodinane
- Desvenlafaxine
- Detomidine
- Dettol
- Deuterated DMF
- Deuterated DMSO
- Deuterated THF
- Deuterated benzene
- Deuterated chloroform
- Deuterated ethanol
- Deuterium
- Dewar benzene
- Dexamethasone
- Dexatrim
- Dexbrompheniramine
- Dexchlorpheniramine
- Dexetimide
- Dexfenfluramine
- Dexmethylphenidate
- Dexoxadrol
- Dexrazoxane
- Dextroamphetamine
- Dextromethorphan
- Dextromoramide
- Dextropropoxyphene
- Dezocine
- Di-potassium monohydrogen phosphate
- Di-tert-butyl dicarbonate
- Di-tert-butyl ether
- Di-tert-butyl peroxide
- Diacerein
- Diacetolol
- Diacetone alcohol
- Diacetyl
- Diacetyldihydromorphine
- Diallyl disulfide
- Diallyllysergamide
- Diammonium phosphate
- Diampromide
- Dianin's compound
- Diatrizoic acid
- Diazene
- Diazepam
- Diazinon
- Diazolidinyl urea
- Diazomethane
- Diazoxide
- Dibenzepin
- Dibenzofuran
- Dibenzylideneacetone
- Diborane
- Diborane (data page)
- Dibromodifluoromethane
- Dibromofluoromethane
- Dibromomethane
- Dibrompropamidine
- Dibunate
- Dibutyltryptamine
- Dicalcium phosphate
- Dicarbon monoxide
- Dichloralphenazone
- Dichloramine
- Dichlorine heptoxide
- Dichlorine monoxide
- Dichloroacetic acid
- Dichlorodifluoroethylene
- Dichloroisocyanuric acid
- Dichloroisoprenaline
- Dichlorosilane
- Dichlorphenolindophenol
- Dichlorvos
- Diclofenac
- Diclofenamide
- Dicloxacillin
- Dicyclopentadiene
- Dicycloverine
- Didanosine
- Didecyldimethylammonium chloride
- Dieldrin
- Dienestrol
- Diethanolamine
- Diethyl azodicarboxylate
- Diethyl ether
- Diethyl ether peroxide
- Diethyl malonate
- Diethyl sulfate
- Diethyl sulfite
- Diethyl sulfoxide
- Diethylamine
- Diethylaminosulfur trifluoride
- Diethylcarbamazine
- Diethylcathinone
- Diethylene glycol
- Diethylene glycol dinitrate
- Diethylenetriamine
- Diethylhydroxylamine
- Diethylstilbestrol
- Diethylthiambutene
- Diethyltryptamine
- Diethylzinc
- Difenoxin
- Differin
- Diflunisal
- Difluoromethane
- Digitoxin
- Diglyme
- Digoxigenin
- Digoxin
- Dihydralazine
- Dihydroactinidiolide
- Dihydroartemisinin
- Dihydrocodeine
- Dihydrocodeinone enol acetate
- Dihydroergocryptine
- Dihydroergotamine
- Dihydroetorphine
- Dihydrofolic acid
- Dihydrogen hexachloroplatinate (IV) hexahydrate
- Dihydrolipoamide
- Dihydrolipoic acid
- Dihydromorphine
- Dihydropteroate
- Dihydropyridine
- Dihydroquinine
- Dihydrotestosterone
- Dihydroxyacetone
- Dihydroxyacetone phosphate
- Dihydroxyphenylglycine
- Diiodomethane
- Diisobutylaluminium hydride
- Diisopromine
- Diisopropyl azodicarboxylate
- Diisopropylfluorophosphate
- Diisopropyltryptamine
- Dillapiole
- Diloxanide furoate
- Diltiazem
- Dimanganese decacarbonyl
- Dimebon
- Dimemorfan
- Dimenhydrinate
- Dimenoxadol
- Dimercaprol
- Dimercaptosuccinic acid
- Dimethoate
- Dimethoxanate
- Dimethoxyamphetamine
- Dimethoxyethane
- Dimethoxymethane
- Dimethyl carbonate
- Dimethyl dicarbonate
- Dimethyl ether
- Dimethyl ether (data page)
- Dimethyl malonate
- Dimethyl methylphosphonate
- Dimethyl pimelimidate dihydrochloride
- Dimethyl sulfate
- Dimethyl sulfide
- Dimethyl sulfite
- Dimethyl sulfoxide
- Dimethyl sulfoxide (data page)
- Dimethyl terephthalate
- Dimethylallyl pyrophosphate
- Dimethylamine
- Dimethylamphetamine
- Dimethylbenzylamine
- Dimethylcathinone
- Dimethyldioctadecylammonium chloride
- Dimethylethanolamine
- Dimethylformamide
- Dimethylglyoxime
- Dimethylheptylpyran
- Dimethylmercury
- Dimethylsulfoniopropionate
- Dimethylthiambutene
- Dimethyltryptamine
- Dimetindene
- Dimetofrine
- Dimetridazole
- Diminazene
- Dinitrogen pentoxide
- Dinitrogen tetroxide
- Dinitrogen trioxide
- Dinitrotoluene
- Dinonylnaphthylsulfonic acid
- Dinoprostone
- Dioc6
- Diosgenin
- Diosmin
- Dioxaphetyl Butyrate
- Dioxathion
- Dioxetane
- Dioxolane
- Dioxybenzone
- Dioxygen difluoride
- Diphenhydramine
- Diphenoxylate
- Diphenyl diselenide
- Diphenyl disulfide
- Diphenyl ditelluride
- Diphenyl prolinol
- Diphenylacetylene
- Diphenylalanine
- Diphenylamine (data page)
- Diphenylchlorarsine
- Diphenylketene
- Diphenylmethane
- Diphenylmethanol
- Diphenylphosphoryl azide
- Diphenylpyraline
- Diphosphene
- Diphosphorus
- Diphthamide
- Dipipanone
- Dipivefrine
- Diprenorphine
- Dipropanoylmorphine
- Dipropyltryptamine
- Diproqualone
- Diproteverine
- Dipyridamole
- Dirhenium decacarbonyl
- Dirithromycin
- Dirlotapide
- Discodermolide
- Disilane
- Disilene
- Disodium citrate
- Disodium glutamate
- Disodium hydrogen phosphate
- Disodium hydrogen phosphite
- Disodium inosinate
- Disodium pyrophosphate
- Disodium tetracarbonylferrate
- Disopyramide
- Disperse Red 11
- Disperse Red 9
- Distigmine
- Disulfiram
- Disulfuric acid
- Dithietane
- Dithioerythritol
- Dithiothreitol
- Dithranol
- Dizocilpine
- Docetaxel
- Docosanol
- Dodecahedrane
- Dodecane
- Dodecenyl succinic anhydride
- Dofetilide
- Dolasetron
- Domiodol
- Domiphen
- Domoic acid
- Domperidone
- Donepezil
- Dopamine
- Dopexamine
- Doramectin
- Doripenem
- Dorzolamide
- Dosulepin hydrochloride
- Doxacurium chloride
- Doxapram
- Doxazosin
- Doxefazepam
- Doxepin
- Doxorubicin
- Doxycycline
- Doxylamine
- Dreft
- Dronabinol
- Dronedarone
- Droperidol
- Dropropizine
- Drospirenone
- Drostanolone propionate
- Drotaverine
- Droxypropine
- Duloxetine
- Duragesic
- Durene
- Dutasteride
- Dyclonine
- Dydrogesterone
- Dysprosium
- Dysprosium(III) chloride
- Dysprosium titanate
- EDDHA
- EDMA
- EDTA
- EEE (psychedelic)
- EEM (psychedelic)
- EME (psychedelic)
- EMM (psychedelic)
- EMSAM
- ENU
- ETH-LAD
- Ebastine
- Ebselen
- Ecamsule
- Ecgonidine
- Echothiophate
- Econazole
- Ectocarpene
- Ectoine
- Edrophonium
- Efavirenz
- Eflornithine
- Eglonyl
- Einsteinium
- Elaidic acid
- Electrum
- Elemicin
- Eletriptan
- Elfazepam
- Ellman's reagent
- Eltrombopag
- Embutramide
- Emedastine
- Emepronium
- Emetine
- Emodepside
- Emopamil
- Emtricitabine
- Emylcamate
- Enadoline
- Enalapril
- Encainide
- Endo-Norborneol
- Endomorphin
- Enflurane
- Enoxacin
- Enoxaparin
- Enrofloxacin
- Entacapone
- Entecavir
- Eosin
- Ephedrine
- Epibatidine
- Epichlorohydrin
- Epigallocatechin gallate
- Epinastine
- Epinephrine
- Epirubicin
- Epitestosterone
- Eplerenone
- Epoprostenol
- Epothilone
- Eprosartan
- Eptifibatide
- Equilenin
- Equilin
- Equithesin
- Equol
- Erbium
- Erbium(III) chloride
- Erdosteine
- Ergine
- Ergoline
- Ergoloid
- Ergonovine
- Ergosterol
- Ergotamine
- Eriochrome Black T
- Erlotinib
- Ertapenem
- Erythorbic acid
- Erythritol tetranitrate
- Erythromycin
- Erythrose
- Erythrose 4-phosphate
- Erythrosine
- Erythrulose
- Escaline
- Eschenmoser's salt
- Escitalopram
- Esketamine
- Esmolol
- Esomeprazole
- Estazolam
- Estradiol
- Estragole
- Estramustine
- Estriol
- Estrogen
- Estrone
- Estropipate
- Eszopiclone
- Etaqualone
- Ethacridine lactate
- Ethacrynic acid
- Ethadione
- Ethallobarbital
- Ethambutol
- Ethamivan
- Ethane (data page)
- Ethane disulfonic acid
- Ethanethiol
- Ethanol
- Ethanolamine
- Ethchlorvynol
- Ethenol
- Ethenzamide
- Ethephon
- Ethidium bromide
- Ethinamate
- Ethinylestradiol
- Ethion
- Ethionamide
- Ethionine
- Ethisterone
- Ethocybin
- Ethoheptazine
- Ethosuximide
- Ethotoin
- Ethoxyquin
- Ethoxzolamide
- Ethyl-J
- Ethyl-K
- Ethyl Green
- Ethyl acetate
- Ethyl acetate (data page)
- Ethyl acetoacetate
- Ethyl bromoacetate
- Ethyl butyrate
- Ethyl carbamate
- Ethyl cinnamate
- Ethyl isopropyl ketone
- Ethyl lactate
- Ethyl loflazepate
- Ethyl methanesulfonate
- Ethyl nitrite
- Ethyl oleate
- Ethyl phenyl ether
- Ethyl salicylate
- Ethyl tert-butyl ether
- Ethylamine
- Ethylammonium nitrate
- Ethylamphetamine
- Ethylbenzene
- Ethylene (data page)
- Ethylene carbonate
- Ethylene glycol
- Ethylene glycol (data page)
- Ethylene glycol dinitrate
- Ethylene oxide
- Ethylenediamine
- Ethylenediamine dihydroiodide
- Ethylestrenol
- Ethylhexyl palmitate
- Ethylisopropyltryptamine
- Ethylmercury
- Ethylmethylthiambutene
- Ethylmorphine
- Ethylparaben
- Ethylphenidate
- Ethynodiol diacetate
- Ethynyl radical
- Eticyclidine
- Etidocaine
- Etidronic acid
- Etifoxine
- Etilefrine
- Etilevodopa
- Etiracetam
- Etizolam
- Etodolac
- Etofenamate
- Etofibrate
- Etomidate
- Etonitazene
- Etonogestrel
- Etoperidone
- Etoposide
- Etoricoxib
- Etorphine
- Etoxadrol
- Etoxeridine
- Etretinate
- Etybenzatropine
- Eucalyptol
- Eugenol
- Eugeroic
- Europium
- Europium(III) chloride
- Everolimus
- Evodiamine
- Exatecan
- Exemestane
- Exforge
- Exisulind
- Expansin
- Ezetimibe
- Ezetimibe/simvastatin
- F-22 (psychedelic)
- F-2 (psychedelic)
- F430
- FAD
- FADH2
- FCE 28260
- FLEA (psychedelic)
- Famciclovir
- Famotidine
- Farnesol
- Farnesyl pyrophosphate
- Faropenem
- Fasoracetam
- Fast Green FCF
- Faxeladol
- Febarbamate
- Fedrilate
- Felbamate
- Felbinac
- Felinine
- Felodipine
- Felypressin
- Femoxetine
- Fen-phen
- Fenbendazole
- Fenbufen
- Fencamfamine
- Fenchone
- Fenethylline
- Fenfluramine
- Fenitrothion
- Fenofibrate
- Fenoxycarb
- Fenozolone
- Fenproporex
- Fenretinide
- Fentanyl
- Fenthion
- Fenvalerate
- Feprazone
- Feprosidnine
- Fermium
- Ferroin
- Ferrous Ammonium Sulphate
- Ferruginol
- Ferujol
- Ferulic acid
- Fesoterodine
- Fexofenadine
- Fibrate
- Filipin
- Finasteride
- Fingolimod
- Fioricet
- Fiorinal
- Fipexide
- Flavin mononucleotide
- Flavoxate
- Flecainide
- Fletazepam
- Flibanserin
- Florfenicol
- Floxuridine
- Fluacizine
- Flucloxacillin
- Fluconazole
- Fludarabine
- Fludiazepam
- Fludrocortisone
- Flumazenil
- Fluminorex
- Flunarizine
- Flunisolide
- Flunitrazepam
- Fluocinonide
- Fluocortolone
- Fluorenone
- Fluorenylmethyloxycarbonylchloride
- Fluorescein
- Fluoride
- Fluorine
- Fluoroamine
- Fluoroantimonic acid
- Fluorobenzene
- Fluoroboric acid
- Fluoroform
- Fluoroiodomethane
- Fluoromethane
- Fluorometholone
- Fluorone
- Fluorosulfuric acid
- Fluorouracil
- Fluoxetine
- Fluoxymesterone
- Flupentixol
- Fluphenazine
- Fluproquazone
- Flurazepam
- Flurbiprofen
- Flurithromycin
- Fluspirilene
- Flutamide
- Flutazolam
- Flutelmium
- Fluticasone
- Fluticasone/salmeterol
- Flutoprazepam
- Flutrimazole
- Fluvastatin
- Fluvoxamine
- Folic acid
- Folinic acid
- Fomepizole
- Fondaparinux
- Formaldehyde
- Formamide
- Formate
- Formestane
- Formic acid
- Formic acid (data page)
- Formoterol
- Formyl fluoride
- Forskolin
- Fosamprenavir
- Fosazepam
- Foscarnet
- Fosfestrol
- Fosfluconazole
- Fosfomycin
- Fosinopril
- Fosmidomycin
- Fosphenytoin
- Fotemustine
- Fowler's solution
- Francium
- Frovatriptan
- Fructose-1-phosphate
- Fructose 1,6-bisphosphate
- Fructose 2,6-bisphosphate
- Fructose 6-phosphate
- Fuchsine
- Fuchsine acid
- Fucitol (data page)
- Fucose (data page)
- Fucoxanthin
- Fulminate
- Fulminic acid
- Fulvalene
- Fulvene
- Fumonisin B2
- Fungistat
- Fura-2
- Fura-2-acetoxymethyl ester
- Furan
- Furanocoumarin
- Furazabol
- Furazolidone
- Furethidine
- Furfenorex
- Furfural
- Furfuryl alcohol
- Furosemide
- Furylfuramide
- Fusidic acid
- G418
- GM1
- GV (nerve agent)
- GYKI-52895
- Gabapentin
- Gabazine
- Gaboxadol
- Gadodiamide
- Gadolinium
- Gadolinium(III) chloride
- Gadolinium nitrate
- Gadopentetate dimeglumine
- Gadoversetamide
- Galactose-1-phosphate
- Galantamine
- Gallamine
- Gallic acid
- Gallium
- Gallium(III) bromide
- Gallium(III) fluoride
- Gallium(III) hydroxide
- Gallium(III) iodide
- Gallium trichloride
- Gamma-Butyrolactone
- Gamma-Glutamylmethylamide
- Gamma-Hydroxybutyric acid
- Gamma-Linolenic acid
- Gamma-Valerolactone
- Gamma-amanitin
- Gamma-amino-beta-hydroxybutyric acid
- Gamma-aminobutyric acid
- Ganciclovir
- Ganesha (psychedelic)
- Ganirelix
- Gatifloxacin
- Gedocarnil
- Gefitinib
- Geldanamycin
- Gemcitabine
- Gemeprost
- Gemfibrozil
- Gemifloxacin
- Genipin
- Genistein
- Gentamicin
- Gentian violet
- Gentiobiose
- Gentisic acid
- Geosmin
- Gepefrine
- Gepirone
- Geranic acid
- Geraniol
- Geranyl acetate
- Geranyl pyrophosphate
- Geranylgeranyl pyrophosphate
- Germacrene
- Germanabenzene
- Germane
- Germanium
- Germanium tetrachloride
- Gerovital
- Gestodene
- Gestonorone
- Gestrinone
- Gibberellin
- Gidazepam
- Gilutensin
- Gingerol
- Girisopam
- Gliadorphin
- Glibenclamide
- Gliclazide
- Glimepiride
- Gliotoxin
- Glipizide
- Gliquidone
- Glucal
- Glucocorticoid
- Gluconic acid
- Glucosamine
- Gluma
- Glutaconic acid
- Glutamic acid
- Glutamic acid (data page)
- Glutamine
- Glutaraldehyde
- Glutaric acid
- Glutaronitrile
- Glutethimide
- Glycal
- Glyceraldehyde 3-phosphate
- Glycerate 3-phosphate
- Glyceride
- Glycerol
- Glycerol 3-phosphate
- Glyceryl trinitrate (pharmacology)
- Glycidol
- Glycin
- Glycine
- Glycine (data page)
- Glycoalkaloid
- Glycocholic acid
- Glycolaldehyde
- Glycolic acid
- Glycopyrrolate
- Glycosphingolipid
- Glycyrrhetinic acid
- Glycyrrhizol
- Glyoxylic acid
- Glyphosate
- Gold
- Gold(I) chloride
- Gold(III) bromide
- Gold(III) chloride
- Gold(III) chloride (data page)
- Gold(III) fluoride
- Goserelin
- Gramicidin S
- Granisetron
- Grayanotoxin
- Green S
- Grepafloxacin
- Grifulvin V
- Griseofulvin
- Grubbs' catalyst
- Guaiacol
- Guaiacolsulfonate
- Guaiazulene
- Guaifenesin
- Guanabenz
- Guanacastepene A
- Guanethidine
- Guanfacine
- Guanidine
- Guanidine nitrate
- Guanidinium thiocyanate
- Guanosine diphosphate mannose
- Gulose
- Gusperimus
- HEPES
- HMG-CoA
- HMX
- HOT-17
- HOT-2
- HOT-7
- HT-0712
- HU-210
- Haematoxylin
- Hafnium
- Hafnium(IV) chloride
- Halazepam
- Halite
- Halocarban
- Halofantrine
- Halomon
- Haloperidol
- Haloprogin
- Halothane
- Haloxazolam
- Harmaline
- Harmine
- Hasubanan
- Hasubanonine
- Helioplex
- Helium
- Heme
- Heme a
- Heme b
- Heme c
- Heme iron
- Heme o
- Hemicholinium-3
- Heparin
- Heptabarbital
- Heptadecane
- Heptaminol
- Heptanal
- Heptane
- Heptanitrocubane
- Heptanoic acid
- Heptyl acetate
- Herbimycin
- Herkinorin
- Heroin
- Hesperetin
- Hesperidin
- Hetacillin
- Heterocodeine
- Hexachloroacetone
- Hexachlorobenzene
- Hexachloroethane
- Hexachlorophene
- Hexachlorophosphazene
- Hexacyclonate
- Hexafluoro-2-propanol
- Hexafluoroacetone
- Hexafluoroacetylacetone
- Hexafluoroethane
- Hexafluoroethane (data page)
- Hexafluorophosphate
- Hexafluorosilicic acid
- Hexafluronium bromide
- Hexamethonium
- Hexamethyl tungsten
- Hexamethylene diisocyanate
- Hexamethylene triperoxide diamine
- Hexamethylphosphoramide
- Hexamidine
- Hexamine
- Hexanal
- Hexane
- Hexane-2,5-dione
- Hexane (data page)
- Hexanitrobenzene
- Hexanitroethane
- Hexanitrohexaazaisowurtzitane
- Hexanitrostilbene
- Hexanoic acid
- Hexatriynyl radical
- Hexethal
- Hexobarbital
- Hexol
- Hexyl cinnamaldehyde
- Hexylcaine
- Hexylresorcinol
- Hippuric acid
- Hippuristanol
- Histamine
- Histapyrrodine
- Histidine (data page)
- Histrelin
- Hitachimycin
- Holmium
- Homatropine
- Homocapsaicin
- Homogentisic acid
- Homosalate
- Homoserine
- Homovanillic acid
- Honokiol
- Hopanoids
- Hordenine
- Huperzine A
- Hydralazine
- Hydramethylnon
- Hydrastine
- Hydrastinine
- Hydrobromic acid
- Hydrochloric acid (data page)
- Hydrochloride
- Hydrochlorothiazide
- Hydrocodone
- Hydrofluoric acid
- Hydrogen
- Hydrogen bromide
- Hydrogen chloride
- Hydrogen cyanide
- Hydrogen deuteride
- Hydrogen fluoride
- Hydrogen iodide
- Hydrogen ion
- Hydrogen isocyanide
- Hydrogen peroxide
- Hydrogen selenide
- Hydrogen sulfide
- Hydrohelium(1+) ion
- Hydroiodic acid (data page)
- Hydromorphone
- Hydroxocobalamin
- Hydroxychloroquine
- Hydroxycitric acid
- Hydroxyethylpromethazine
- Hydroxylammonium nitrate
- Hydroxylysine
- Hydroxypethidine
- Hydroxystilbamidine
- Hydroxytyrosol
- Hydroxyurea
- Hydroxyzine
- Hygrine
- Hygromycin B
- Hygroton
- Hyoscyamine
- Hyperforin
- Hypobromous acid
- Hypochlorite
- Hypochlorous acid
- Hypoglycin
- Hypoglycin B
- Hypoiodous acid
- Hypophosphite
- Hypophosphorous acid
- IAEDANS
- IBMX
- IDNNA
- Ibandronic acid
- Ibogaine
- Ibotenic acid
- Ibuprofen
- Ibutilide
- Icaridin
- Icatibant
- Iclazepam
- Idarubicin
- Idebenone
- Idoxuridine
- Ifenprodil
- Ifosfamide
- Iloperidone
- Iloprost
- Imatinib
- Imidazenil
- Imidazole
- Imidazolidinyl urea
- Imipenem
- Imipenem/cilastatin
- Imipramine
- Imiquimod
- Implanon
- Indalpine
- Indane
- Indanorex
- Indanthrene blue RS
- Indanylaminopropane
- Indapamide
- Indatraline
- Indazole
- Indene
- Indian yellow
- Indigo carmine
- Indinavir
- Indiplon
- Indium
- Indium(I) bromide
- Indium(III) chloride
- Indium(III) sulfate
- Indium tribromide
- Indole
- Indole-3-acetic acid
- Indole-3-carbinol
- Indoleamine
- Indoline
- Indometacin
- Indomethacin farnesil
- Indoprofen
- Indoramin
- Innovar (page was deleted due to lack of notability)
- Inosine
- Inosinic acid
- Inositol
- Inositol pentakisphosphate
- Intrinsa
- Iodate
- Iodic acid
- Iodide
- Iodine
- Iodine cyanide
- Iodine heptafluoride
- Iodine monochloride
- Iodine pentafluoride
- Iodine trichloride
- Iodixanol
- Iodoacetamide
- Iodoacetate
- Iodobenzene
- Iodoform
- Iodomethane
- Iodoquinol
- Iodotrifluoroethylene
- Iohexol
- Ionone
- Ioxilan
- Ipratropium
- Ipratropium/salbutamol
- Iprindole
- Iproclozide
- Iproniazid
- Ipsapirone
- Irbesartan
- Iridium
- Iridium(IV) oxide
- Irinotecan
- Iris (psychedelic)
- Irofulven
- Iron(II) bromide
- Iron(II) fluoride
- Iron(II) fumarate
- Iron(II) gluconate
- Iron(II) hydroxide
- Iron(III) chloride
- Irone
- Isethionic acid
- Isoaminile
- Isobutane (data page)
- Isobutanol
- Isobutyl acetate
- Isobutyl nitrite
- Isobutylene
- Isobutyraldehyde
- Isocarboxazid
- Isocetane
- Isoflurane
- Isoleucine (data page)
- Isomescaline
- Isometheptene
- Isoniazid
- Isophorone
- Isophorone diisocyanate
- Isopropamide iodide
- Isopropyl nitrite
- Isoproscaline
- Isoproterenol
- Isosafrole
- Isosorbide
- Isosorbide dinitrate
- Isosorbide dinitrate/hydralazine
- Isosorbide mononitrate
- Isothipendyl
- Isotretinoin
- Isoxathion
- Isoxsuprine
- Isoxyl
- Isradipine
- Itraconazole
- Ivabradine
- Ivermectin
- Ixabepilone
- JWH-133
- J (psychedelic)
- Jervine
- Josamycin
- K252a
- Kainic acid
- Kallidin
- Kanamycin
- Katanosins
- Kepone
- Ketamine
- Ketanserin
- Ketazocine
- Ketazolam
- Ketobemidone
- Ketoconazole
- Ketolides
- Ketoprofen
- Ketorolac
- Ketotifen
- Krypton
- Kynurenic acid
- LAE-32
- LPD-824
- LSD
- LSM-775
- Labdane
- Labetalol
- Lacosamide
- Lactacystin
- Lactaldehyde
- Lactisole
- Lactulose
- Laminarin
- Lamivudine
- Lamotrigine
- Lanatoside C
- Lanreotide
- Lansoprazole
- Lanthanum carbonate
- Lapaquistat
- Lapatinib
- Lapdap
- Laquinimod
- Lasofoxifene
- Latamoxef
- Latanoprost
- Lawrencium
- Lead(II) chloride (data page)
- Lead(II) sulfate
- Lead styphnate
- Lefetamine
- Leflunomide
- Lenalidomide
- Leptomycin
- Lercanidipine
- Letosteine
- Letrozole
- Leu-enkephalin
- Leuprolide
- Levamisole
- Levetiracetam
- Levobetaxolol
- Levobunolol
- Levobupivacaine
- Levocabastine
- Levocetirizine
- Levodopa
- Levodropropizine
- Levofloxacin
- Levomepromazine
- Levomethadyl Acetate
- Levomethamphetamine
- Levomethorphan
- Levonantradol
- Levonordefrin
- Levonorgestrel
- Levopropoxyphene
- Levormeloxifene
- Levorphanol
- Levosalbutamol
- Levosimendan
- Levothyroxine
- Levoverbenone
- Levulinic acid
- Lidocaine
- Lidocaine/prilocaine
- Light Green SF yellowish
- Lighter
- Lignoceric acid
- Lincomycin
- Linezolid
- Linoelaidic acid
- Linopirdine
- Liquorice
- Lisdexamfetamine
- Lisinopril
- Lisofylline
- Lisuride
- Lithium
- Lithium carbonate
- Lithium chloride
- Lithium chloride (data page)
- Lithium citrate
- Lithium diisopropylamide
- Lithium fluoride
- Lithium hexafluorophosphate
- Lithium hydroxide
- Lithium hypochlorite
- Lithium iodide
- Lithium iron phosphate
- Lithium metaborate
- Lithium perchlorate
- Lithium succinate
- Lofendazam
- Lofentanil
- Lofepramine
- Lofexidine
- Lomefloxacin
- Lometopane
- Lomotil
- Longifolene
- Loperamide
- Lophophine
- Lopinavir
- Loprazolam
- Loracarbef
- Loratadine
- Lorazepam
- Lorcainide
- Lormetazepam
- Losartan
- Lovastatin
- Loviride
- Low dose naltrexone
- Loxapine
- Loxoprofen
- Lubiprostone
- Luciferin
- Lucigenin
- Lufenuron
- Lugduname
- Lumefantrine
- Lumiflavin
- Lumiracoxib
- Lumisterol
- Lupinine
- Lurtotecan
- Lutein
- Lycopene
- Lymecycline
- Lynestrenol
- Lysergic acid
- Lysergic acid diethylamide
- Lysergol
- Lysine (data page)
- MBDB
- MDAL
- MDBU
- MDBZ
- MDCPM
- MDDM
- MDEA
- MDHOET
- MDIP
- MDMEO
- MDMEOET
- MDMP
- MDOH
- MDP2P
- MDPEA
- MDPH
- MDPL
- MDPR
- MDPV
- MEDA
- MEE (psychedelic)
- MEM (psychedelic)
- MEPEA
- MLD-41
- MMDA (psychedelic)
- MME (psychedelic)
- MPM (psychedelic)
- MPP+
- MPPP
- MPTP
- MS Contin
- MTSL
- Macromerine
- Madam-6
- Mafenide
- Mafosfamide
- Magnesium
- Magnesium benzoate
- Magnesium bromide
- Magnesium carbonate
- Magnesium citrate
- Magnesium hydroxide
- Magnesium pidolate
- Magnesium pyridoxal 5-phosphate glutamate
- Magnesium salicylate
- Magnesium stearate
- Magnesium sulfate
- Magnus' green salt
- Malachite green
- Malathion
- Malic acid
- Malonate
- Malonyl-CoA
- Maltotriose
- Malvidin
- Mandelic acid
- Mangafodipir
- Manganese(II) carbonate
- Manganese(II) chloride
- Manganese(II) sulfate
- Manganese(III) acetate
- Manganese(III) fluoride
- Maprotiline
- Maraviroc
- Marbofloxacin
- Masoprocol
- Matairesinol
- Mauveine
- Maxflu
- Mazindol
- MeOPP
- Mebendazole
- Mebeverine
- Mebhydrolin
- Mebroqualone
- Mechlorethamine
- Meclizine
- Meclonazepam
- Mecloqualone
- Medazepam
- Medetomidine
- Medigoxin
- Medroxyprogesterone
- Mefenamic acid
- Mefenorex
- Mefloquine
- Megestrol
- Meglitinide
- Meglumine antimoniate
- Meglutol
- Melamine
- Melarsoprol
- Meldrum's acid
- Melevodopa
- Melezitose
- Melitracen
- Mellitic acid
- Meloxicam
- Melperone
- Melphalan
- Memantine
- Menadione
- Mendelevium
- Menitrazepam
- Mepartricin
- Mephenesin
- Mephentermine
- Mephenytoin
- Mepivacaine
- Meprednisone
- Meprobamate
- Meprodine
- Meprotixol
- Meptazinol
- Mepyramine
- Merbromin
- Mercaptopurine
- Mercuric amidochloride
- Mercury(II) fulminate
- Mercury(II) iodide
- Mercury (element)
- Meropenem
- Mersalyl acid
- Mesalazine
- Mescaline
- Mesitylene
- Mesna
- Mesocarb
- Mesoridazine
- Mesoxalic acid
- Mestanolone
- Mesterolone
- Mestranol
- Mesulergine
- Mesuximide
- Met-enkephalin
- Meta-Chloroperoxybenzoic acid
- Meta-DOB
- Meta-DOT
- Metaclazepam
- Metacycline
- Metaescaline
- Metamizole
- Metanephrine
- Metaproscaline
- Metaraminol
- Metaxalone
- Metazocine
- Metenolone
- Metenolone enanthate
- Metepa
- Metergoline
- Metethoheptazine
- Metformin
- Methacholine
- Methacrolein
- Methadone
- Methallylescaline
- Methamidophos
- Methamphetamine
- Methanandamide
- Methandrostenolone
- Methane
- Methane (data page)
- Methanol
- Methanol (data page)
- Methapyrilene
- Methaqualone
- Metharbital
- Methazolamide
- Methcathinone
- Methdilazine
- Metheptazine
- Methicillin
- Methidathion
- Methimazole
- Methionine (data page)
- Methiothepin
- Methocarbamol
- Methohexital
- Methopholine
- Methorphan
- Methotrexate
- Methoxamine
- Methoxsalen
- Methoxy
- Methoxy arachidonyl fluorophosphonate
- Methoxyflurane
- Methoxyphedrine
- Methoxypropane
- Methscopolamine
- Methyl-DMA
- Methyl-DOB
- Methyl-K
- Methyl aminolevulinate
- Methyl benzoate
- Methyl blue
- Methyl carbamate
- Methyl fluorosulfonate
- Methyl isothiocyanate
- Methyl nitrate
- Methyl nitrite
- Methyl pentanoate
- Methyl salicylate
- Methyl tert-butyl ether
- Methyl triflate
- Methyl vinyl ketone
- Methyl violet
- Methyl yellow
- Methylamine
- Methylbutyltryptamine
- Methylchloroisothiazolinone
- Methylcholanthrene
- Methylcobalamin
- Methylcyclohexane
- Methylcyclopentadiene
- Methylcyclopentadienyl manganese tricarbonyl
- Methyldopa
- Methylecgonidine
- Methylecgonine cinnamate
- Methylene diphosphonate
- Methylenedioxymethamphetamine
- Methylenedioxymethcathinone
- Methylergonovine
- Methylethyltryptamine
- Methylglyoxal
- Methylisothiazolinone
- Methylketobemidone
- Methylmagnesium chloride
- Methylmethaqualone
- Methylnaltrexone
- Methylphenethylamine
- Methylphenidate
- Methylphenobarbital
- Methylprednisolone
- Methylpyrrolidone
- Methylsulfonylmethane
- Methyltestosterone
- Methysergide
- Metiamide
- Metipranolol
- Metirosine
- Metoclopramide
- Metol
- Metolachlor
- Metolazone
- Metopimazine
- Metopon
- Metoprolol
- Metrazol
- Metronidazole
- Metyrapone
- Mevastatin
- Mexazolam
- Mexiletine
- Mezlocillin
- Mianserin
- Mibolerone
- Micafungin
- Miconazole
- Microcystin
- Midazolam
- Midecamycin
- Midodrine
- Mifepristone
- Miglitol
- Miglustat
- Migraleve
- Migrastatin
- Milnacipran
- Milrinone
- Miltefosine
- Mimosine
- Minitran
- Minocycline
- Minoxidil
- Miocamycin
- Miroprofen
- Mirtazapine
- Misoprostol
- Mitaban
- Mitiglinide
- Mitomycin
- Mitotane
- Mitotoxin
- Mitoxantrone
- Mitragynine
- Moclobemide
- Modafinil
- Mohr's salt
- Molindone
- Molsidomine
- Molybdenum hexacarbonyl
- Mometasone furoate
- Monensin
- Monoacetylmorphine
- Monobactams
- Monocrotophos
- Monomethylamine nitrate
- Monomethylammonium nitrate
- Monomethylhydrazine
- Mononitrotoluene
- Monopotassium phosphate
- Monosodium citrate
- Monosodium methyl arsenate
- Montelukast
- Mopiko
- Morclofone
- Moricizine
- Moronic acid
- Morpheridine
- Morphine
- Morphine-3-glucuronide
- Morphine-6-glucuronide
- Morphinone
- Morpholino
- Mosapride
- Motexafin gadolinium
- Motofen
- Moxidectin
- Moxifloxacin
- Moxonidine
- Mupirocin
- Muramyl dipeptide
- Murexide
- Muscarine
- Muscazone
- Muscimol
- Mustard oil
- Mycolactone
- Mycophenolic acid
- Myrcene
- Myriocin
- Myristicin
- N,N'-Dicyclohexylcarbodiimide
- N,N-Diisopropylethylamine
- N-Acetyl procainamide
- N-Acetylglutamic acid
- N-Acetylglycinamide
- N-Acetylmannosamine
- N-Acetyltalosaminuronic acid
- N-Bromosuccinimide
- N-Butylamine
- N-Butyllithium
- N-Cyclohexyl-2-aminoethanesulfonic acid
- N-Ethyl-3-piperidyl benzilate
- N-Ethylmaleimide
- N-Ethyltryptamine
- N-Formylmethionine leucyl-phenylalanine
- N-Methyl-3-piperidyl benzilate
- N-Methyl-N-isopropyltryptamine
- N-Methylethanolamine
- N-Methylmorpholine N-oxide
- N-Methyltryptamine
- N-Nitrosonornicotine
- N-Oxalylglycine
- N-Phenethyl-4-piperidinone
- NBD-TMA
- NBQX
- Nabilone
- Nabitan
- Nabumetone
- Nadolol
- Nafarelin
- Nafcillin
- Naftidrofuryl
- Nalbuphine
- Nalidixic acid
- Nalmefene
- Nalorphine
- Naloxone
- Naltrexone
- Naltrindole
- Nandrolone
- Naphazoline
- Naphthalene
- Naphthylisopropylamine
- Naproxen
- Naratriptan
- Narcobarbital
- Natamycin
- Nateglinide
- Nealbarbital
- Nebivolol
- Nebracetam
- Necopidem
- Nedocromil
- Nefazodone
- Nefiracetam
- Nelarabine
- Nelfinavir
- Neltenexine
- Neocarzinostatin
- Neodymium
- Neodymium(III) chloride
- Neodymium aluminium borate
- Neomycin
- Neon
- Neosalvarsan
- Neosporin
- Neostigmine
- Nepafenac
- Nepenthe
- Nepetalactone
- Nepinalone
- Neptunium
- Nerisopam
- Netilmicin
- Neutral red
- Nevirapine
- New methylene blue
- Niacin
- Nialamide
- Nicardipine
- Nicergoline
- Nickel
- Nickel(II) carbonate
- Nickel(II) chloride
- Nickel(II) fluoride
- Nickel(II) hydroxide
- Nickel(II) nitrate
- Nickel(II) sulfate
- Niclosamide
- Nicocodeine
- Nicoderm
- Nicodicodeine
- Nicomorphine
- Nicorandil
- Nicotinamide
- Nicotinamide adenine dinucleotide phosphate
- Nicotine
- Nifedipine
- Nifuroxazide
- Nifurtimox
- Nigericin
- Nikethamide
- Nile blue
- Nile red
- Nilotinib
- Nimbin
- Nimesulide
- Nimetazepam
- Nimodipine
- Ninhydrin
- Niobium
- Niobocene dichloride
- Nisin
- Nitazoxanide
- Nitisinone
- Nitrate
- Nitrazepam
- Nitrendipine
- Nitric acid
- Nitrilotriacetic acid
- Nitrisinone
- Nitrite
- Nitro
- Nitro blue tetrazolium chloride
- Nitrobenzene
- Nitroethane
- Nitrofurantoin
- Nitrofurazone
- Nitrogen
- Nitrogen mustard
- Nitrogen trichloride
- Nitrogen trifluoride
- Nitrogen triiodide
- Nitroglycerin
- Nitroimidazole
- Nitromannite
- Nitromethane
- Nitromethane (data page)
- Nitrosamine
- Nitrosobenzene
- Nitrosyl chloride
- Nitrosyl fluoride
- Nitrosylsulfuric acid
- Nitrous oxide
- Nitroxoline
- Nizatidine
- Nizofenone
- Njangsa
- Nobelium
- Nocaine
- Nomifensine
- Nonacosane
- Nonaflate
- Nonanal
- Nonoxynol-9
- Nonylphenol
- Nootkatone
- Norbaeocystin
- Norbolethone
- Norbornane
- Norbornene
- Norcarane
- Nordazepam
- Norelgestromin
- Norethandrolone
- Norethindrone acetate
- Norethisterone
- Norethynodrel
- Norfenefrine
- Norfenfluramine
- Norfloxacin
- Norgestimate
- Norgestrel
- Norgestrienone
- Noritate
- Normetanephrine
- Normethadone
- Norpatchoulenol
- Norpethidine
- Norplant
- Nortriptyline
- Norzoanthamine
- Noscapine
- Novobiocin
- Novrad
- Noxa
- Nuciferine
- Nystatin
- O-Acetylpsilocin
- O-Acetylserine
- O-Desmethyltramadol
- O-Ethyl methylphosphonothioic acid
- O-Phenylenediamine
- O-Toluic acid
- O-Toluidine
- O-xylene (data page)
- Obidoxime
- Ochratoxin
- Ochratoxin A
- Ocimene
- Ocinaplon
- Oct-1-en-3-one
- Octabenzone
- Octadecene
- Octaethylene glycol monododecyl ether
- Octafluoropropane
- Octafluoropropane (data page)
- Octanitrocubane
- Octatetraynyl radical
- Octene
- Octenol
- Octocrylene
- Octopamine
- Octreotide
- Octyl acetate
- Octyl methoxycinnamate
- Octyl salicylate
- Ofloxacin
- Ohmefentanyl
- Oil Blue 35
- Oil Blue A
- Oil Red O
- Oil Yellow DE
- Okadaic acid
- Olanzapine
- Oleamide
- Oleandomycin
- Oleocanthal
- Oleoyl-estrone
- Oleuropein
- Oleyl alcohol
- Oligomycin
- Olmesartan
- Olopatadine
- Olsalazine
- Omeprazole
- Omethoate
- Omoconazole
- Ondansetron
- Opipramol
- Orange B
- Orange G
- Orange GGN
- Orcein
- Orcin
- Orciprenaline
- Oripavine
- Oritavancin
- Orlistat
- Ormeloxifene
- Ornidazole
- Orphenadrine
- Orsellinic acid
- Ortho-DOT
- Orthoformic acid
- Osazone
- Oseltamivir
- Osmium
- Osmium tetroxide
- Otera's catalyst
- Ouabain
- Oxacillin
- Oxalate
- Oxaliplatin
- Oxamniquine
- Oxandrolone
- Oxaprozin
- Oxatomide
- Oxazepam
- Oxazin dyes
- Oxazolam
- Oxazolidinedione
- Oxcarbazepine
- Oxeladin
- Oxetacaine
- Oxiconazole
- Oxilorphan
- Oxiracetam
- Oxolamine
- Oxomemazine
- Oxonium
- Oxpheneridine
- Oxprenolol
- Oxtriphylline
- Oxybenzone
- Oxybuprocaine
- Oxybutynin
- Oxycodone
- Oxygen
- Oxygen difluoride
- Oxymetazoline
- Oxymetholone
- Oxymorphone
- Oxyphenbutazone
- Oxyphenisatine
- Oxytetracycline
- P-Toluenesulfonic acid
- P57 (glycoside)
- PAC-1
- PARGY-LAD
- PCAA
- PCHP
- PEPAP
- PETN
- PFPP
- PK11195
- PMA
- PMSF
- PRO-LAD
- PTC124
- Paclitaxel
- Padimate A
- Padimate O
- Pagoclone
- Paliperidone
- Palladium
- Palladium(II) acetate
- Palladium(II) oxide
- Palmitoyl CoA
- Palmitoylcarnitine
- Palonosetron
- Palytoxin
- Pamabrom
- Pamaquine
- Pamidronic acid
- Panadiplon
- Pancuronium
- Panipenem/betamipron
- Pantetheine
- Pantethine
- Panthenol
- PantoPac
- Pantoprazole
- Pantothenic acid
- Papaverine
- Para Red
- Paraben
- Paracetamol
- Parafluorofentanyl
- Parahexyl
- Parahydroxyamphetamine
- Paraldehyde
- Paramethadione
- Paramethasone
- Paramethoxyethylamphetamine
- Paramethoxymethamphetamine
- Paraoxon
- Parathion
- Paraxanthine
- Parecoxib
- Pargyline
- Paromomycin sulfate
- Paroxetine
- Parylene
- Patchoulol
- Patent Blue V
- Pazinaclone
- Pectic acid
- Pefloxacin
- Pemetrexed
- Pemoline
- Penbutolol
- Penciclovir
- Penfluridol
- Penicillamine
- Penimepicycline
- Pentacarbonylhydridorhenium
- Pentachlorophenol
- Pentaethylene glycol monododecyl ether
- Pentafluoroethyliodide
- Pentagastrin
- Pentamidine
- Pentane
- Pentane (data page)
- Pentazocine
- Pentobarbital
- Pentostatin
- Pentoxifylline
- Pentoxyverine
- Pentyl propanoate
- Peracetic acid
- Peramivir
- Perbromate
- Perchlorate
- Perchloric acid
- Perfluorohexane
- Perfluorooctanesulfonic acid
- Perfluorooctanoic acid
- Pergolide
- Perhexiline
- Perillaldehyde
- Perindopril
- Perindopril/indapamide
- Periodate
- Periodic acid
- Periodinane
- Periostat
- Periplanone B
- Permethrin
- Peroxydisulfuric acid
- Peroxymonosulfuric acid
- Peroxynitrite
- Perphenazine
- Perrhenic acid
- Peruvoside
- Pethidine
- Pethidine Intermediate A
- Pethidinic Acid
- Phacetoperane
- Phenacemide
- Phenacetin
- Phenadoxone
- Phenampromide
- Phenaridine
- Phenazepam
- Phenazine
- Phenazocine
- Phenazone
- Phencyclidine
- Phendimetrazine
- Phenelzine
- Pheneridine
- Phenescaline
- Phenethylamine
- Pheneturide
- Phenformin
- Phenglutarimide
- Phenibut
- Phenidone
- Phenindione
- Pheniramine
- Phenmetrazine
- Phenobarbital
- Phenol
- Phenolphthalein
- Phenomorphan
- Phenoperidine
- Phenothiazine
- Phenothiazines
- Phenothrin
- Phenoxybenzamine
- Phenoxyethanol
- Phenprobamate
- Phensidyl
- Phensuximide
- Phentermine
- Phentolamine
- Phenyl-2-nitropropene
- Phenyl-D-galactopyranoside
- Phenylacetic acid
- Phenylacetone
- Phenylacetylglutamine
- Phenylalanine (data page)
- Phenylbenzimidazole sulfonic acid
- Phenylbutazone
- Phenylephrine
- Phenylhydrazine
- Phenylisothiocyanate
- Phenylmercuric borate
- Phenylpropanoid
- Phenylpropanolamine
- Phenylpropiolic acid
- Phenyltoloxamine
- Phenyltropane
- Phenytoin
- Pholcodine
- Phosalone
- Phosgene
- Phosmet
- Phosphate
- Phosphatidylserine
- Phosphazene
- Phosphine
- Phosphonate
- Phosphonic acid
- Phosphonite
- Phosphonium
- Phosphopantetheine
- Phosphoramidite
- Phosphoribosyl pyrophosphate
- Phosphoric acid
- Phosphoric ether
- Phosphorine
- Phosphorous acid
- Phosphorus
- Phosphorus sesquisulfide
- Phosphorus trifluoride
- Phosphorus trifluoride (data page)
- Phosphorus triiodide
- Phosphorus trioxide
- Phosphoryl chloride
- Phosphoryl chloride (data page)
- Phosphoserine
- Phthalimide
- Phthalocyanine Blue BN
- Phthalocyanine Green G
- Phthalocyanine
- Phylloquinone
- Physostigmine
- Phytane
- Phytic acid
- Phytosterol
- Picamilon
- Picenadol
- Picotamide
- Picrate
- Picric acid
- Picrotoxin
- Pifithrin
- Pilocarpine
- Pimecrolimus
- Piminodine
- Pimozide
- Pinazepam
- Pindone
- Pinocembrin
- Pioglitazone
- Pipamperone
- Pipazetate
- Pipecuronium bromide
- Pipequaline
- Piperacillin
- Piperacillin/tazobactam
- Piperidine
- Piperidione
- Piperonal
- Pipobroman
- Pipradrol
- Piracetam
- Pirenzepine
- Piritramide
- Pirolazamide
- Piroxicam
- Pitavastatin
- Pivalamide
- Pivampicillin
- Pivoxazepam
- Pixantrone
- Pizotifen
- Platinum
- Platinum(II) chloride
- Platinum(VI) fluoride
- Pleconaril
- Plerixafor
- Plicamycin
- Plicatic acid
- Plumbagin
- Plumbane
- Plutonium
- Plutonium(III) chloride
- Plutonium tetrafluoride
- Podophyllotoxin
- Policresulen
- Politor
- Polyacrylamide
- Polyacrylonitrile
- Polybutylene
- Polycaprolactone
- Polyestradiol phosphate
- Polyethylene
- Polyethylene amine
- Polyethylene glycol
- Polyethylene terephthalate
- Polyglycerol Polyricinoleate
- Polyphosphate
- Polyphthalamide
- Polypropylene
- Polypropylene carbonate
- Polypropylene glycol
- Polypyrrole
- Polystannane
- Polystyrene
- Polythiophene
- Polyurea
- Polyvinyl alcohol
- Ponceau 4R
- Ponceau S
- Porfimer sodium
- Porphin
- Posaconazole
- Potassium
- Potassium benzoate
- Potassium canrenoate
- Potassium chloride
- Potassium citrate
- Potassium clavulanate
- Potassium cyanate
- Potassium cyanide
- Potassium fluoride
- Potassium fumarate
- Potassium gluconate
- Potassium hexafluorophosphate
- Potassium hydride
- Potassium hydroxide
- Potassium iodate
- Potassium iodide
- Potassium metabisulfite
- Potassium nitrate
- Potassium nitrite
- Potassium perchlorate
- Potassium periodate
- Potassium phosphate
- Potassium phthalimide
- Potassium propionate
- Potassium silicate
- Potassium sodium tartrate
- Potassium sorbate
- Potassium sulfate
- Potassium tartrate
- Potassium tetrachloroplatinate
- Potassium tetraphenylborate
- Potassium thiocyanate
- Practolol
- Prajmaline
- Pralatrexate
- Pralidoxime
- Pramipexole
- Pramiracetam
- Pramocaine
- Pranlukast
- Prasugrel
- Pravastatin
- Prazepam
- Praziquantel
- Prazosin
- Prednisolone
- Prednisone
- Prednylidene
- Pregabalin
- Pregnane
- Pregnanes
- Premarin
- Prenalterol
- Prenol
- Prenoxdiazine
- Prephenic acid
- Prilocaine
- Primaquine
- Primidone
- Primuline
- Prismane
- Pristane
- Pristanic acid
- Pristinamycin
- Probarbital
- Probenecid
- Probucol
- Procainamide
- Procaine
- Procarbazine
- Prochlorperazine
- Procyclidine hydrochloride
- Prodine
- Profenamine
- Proflavine
- Progabide
- Progesterone
- Progestin
- Proglumetacin
- Proguanil
- Proheptazine
- Proline (data page)
- Prolintane
- Promazine
- Promethazine
- Promethium
- Prometrium
- Prontosil
- Propafenone
- Propallylonal
- Propamidine
- Propan-1-ol
- Propane (data page)
- Propanidid
- Propanoic anhydride
- Propanolamine
- Propantheline
- Propantheline bromide
- Proparacaine
- Propargyl alcohol
- Propellane
- Propenidazole
- Properidine
- Propiconazole
- Propidium iodide
- Propiomazine
- Propionaldehyde
- Propionamide
- Propionate
- Propionic acid
- Propionic acid (data page)
- Propionitrile
- Propionyl-CoA
- Propiophenone
- Propiram
- Propofol
- Propranolol
- Propyl acetate
- Propyl gallate
- Propylamine
- Propylamphetamine
- Propylene carbonate
- Propylene glycol
- Propylene glycol dinitrate
- Propylhexedrine
- Propylisopropyltryptamine
- Propylketobemidone
- Propylparaben
- Propylthiouracil
- Propynyl (psychedelic)
- Propyphenazone
- Proscaline
- Proscillaridin
- Prosidol
- Prostratin
- Protactinium
- Protionamide
- Protriptyline
- Proxibarbital
- Pseudaconitine
- Pseudoephedrine
- Psi-DOM
- Psicose
- Psilocin
- Psilocybin
- Psoralen
- Pterin
- Pterostilbene
- Pulegone
- Purine
- Puromycin
- Purpurin
- Purpurin (data page)
- Putrescine
- PyBOP
- Pyr-T
- Pyrantel pamoate
- Pyrazinamide
- Pyrazine
- Pyrazole
- Pyrene (data page)
- Pyrethrin
- Pyridazine
- Pyridine
- Pyridine (data page)
- Pyridinium
- Pyridinium chlorochromate
- Pyridostigmine
- Pyridoxal
- Pyridoxamine
- Pyrimethamine
- Pyrimidine
- Pyrimidines
- Pyriproxyfen
- Pyrithyldione
- Pyritinol
- Pyrocatechol
- Pyrocitric
- Pyrogallol
- Pyroglutamyl-histidyl-glycine
- Pyrophosphate
- Pyrophosphoric acid
- Pyrovalerone
- Pyrrole
- Pyrrolidine
- Pyrrolizidine
- Pyrroloquinoline quinone
- Pyrrolysine
- QH-II-66
- QS21
- Quassin
- Quaternium-15
- Quazepam
- Quercetin
- Quercitron
- Quetiapine
- Quinacridone
- Quinacrine
- Quinapril
- Quinazoline
- Quinbolone
- Quinestrol
- Quinethazone
- Quinidine
- Quinine
- Quinisocaine
- Quinizarine Green SS
- Quinoline
- Quinoline Yellow
- Quinoline Yellow SS
- Quinoline Yellow WS
- Quinolone
- Quinoxaline
- Quinuclidine
- Quinupristin/dalfopristin
- Quisqualic acid
- R-406A
- R-410A
- R-flurbiprofen
- RDX
- RS 67333
- RTI-121
- RWJ-51204
- Rabeprazole
- Racetam
- Raclopride
- Ractopamine
- Radafaxine
- Radicicol
- Radium
- Radium bromide
- Radium chloride
- Radon
- Raffinose
- Raloxifene
- Raltegravir
- Raltitrexed
- Ramelteon
- Ramipril
- Ranitidine
- Ranolazine
- Rapacuronium
- Rasagiline
- Raspberry ketone
- Rebamipide
- Rebeccamycin
- Reboxetine
- Reclazepam
- Red 2G
- Red lead
- Redoxon
- Reinecke's salt
- Remifentanil
- Remikiren
- Remoxipride
- Renzapride
- Repaglinide
- Reposal
- Rescinnamine
- Reserpine
- Resin acid
- Resiniferatoxin
- Resmethrin
- Resorcinol
- Resporal
- Resveratrol
- Retapamulin
- Retinene
- Retinol
- Retinyl palmitate
- Rhamnose
- Rhenium
- Rhodamine
- Rhodium
- Rhodium(II) acetate
- Ribavirin
- Riboflavin
- Ribofuranose
- Ribose 5-phosphate
- Ribulose 5-phosphate
- Ricinelaidic acid
- Ricinoleic acid
- Rifabutin
- Rifampicin
- Rifamycin antibiotics
- Rifapentine
- Rifater
- Rifaximin
- Rilmazafone
- Rilmenidine
- Riluzole
- Rimantadine
- Rimexolone
- Rimonabant
- Risedronate
- Risperidone
- Ristocetin
- Ritiometan
- Ritodrine
- Ritonavir
- Rivaroxaban
- Rivastigmine
- Rizatriptan
- Ro15-4513
- Rocuronium
- Rodinal
- Rofecoxib
- Roflumilast (deleted)
- Rogaine (drug)
- Rokitamycin
- Rolicyclidine
- Rolitetracycline
- Rolziracetam
- Rongalite
- Ronifibrate
- Ropinirole
- Ropivacaine
- Rosamicin
- Roseophilin
- Rosiglitazone
- Rosmarinic acid
- Rosocyanine
- Rosuvastatin
- Rotigotine
- Roxatidine
- Roxithromycin
- Rubidium
- Rubidium bromide
- Rubidium carbonate
- Rubidium chloride
- Rubidium fluoride
- Rubidium hydroxide
- Rubidium nitrate
- Rubidium perchlorate
- Rubidium silver iodide
- Rubiscolin
- Rubrene
- Rufinamide
- Rupatadine
- Ruthenium
- Ruthenium(III) chloride
- Rutinose
- Ryanodine
- S-Adenosyl methionine
- S-Allyl cysteine
- S-Nitroso-N-acetylpenicillamine
- SBO
- SCH-50911
- SDHA
- SNC-80
- SQDG
- SX-3228
- SYBR Green
- Sabinene
- Saccharic acid
- Saccharopine
- Safranal
- Safranin
- Safrole
- Salbutamol
- Salicylaldehyde
- Salicylaldoxime
- Salicylamide
- Salicylic acid
- Salinosporamide A
- Salmeterol
- Salvinorin A
- Samandaridine
- Samandarin
- Samarium
- Samarium(II) chloride
- Samarium(II) iodide
- Samarium(III) chloride
- Samarium(III) fluoride
- Sameridine
- Sanguinarine
- Santonin
- Saquinavir
- Sarcosine
- Saredutant
- Sarin
- Saripidem
- Sativex
- Satraplatin
- Satratoxin-H
- Saxagliptin
- Saxitoxin
- Scandium
- Scandium(III) chloride
- Scarlet GN
- Scheele's Green
- Schwartz's reagent
- Scopolamine
- Scoulerine
- Sec-Butyl acetate
- Sec-Butylamine
- Sec-Butyllithium
- Secobarbital
- Sedoheptulose
- Sedoheptulose 7-phosphate
- Selamectin
- Selegiline
- Selenate
- Selenic acid
- Selenium
- Selenium dioxide
- Selenium sulfide
- Selenium trioxide
- Selenocysteine
- Selenomethionine
- Selenous acid
- Seletracetam
- Semaxanib
- Semicarbazide
- Semorphone
- Semprex-D
- Serine (data page)
- Serotonin
- Serpentine
- Sertaconazole
- Sertindole
- Sertraline
- Sesamex
- Sesamol
- Setiptiline
- Sevoflurane
- Shikimic acid
- Sialyl lewis x
- Sibutramine
- Silabenzene
- Silane
- Silanol
- Silazane
- Sildenafil
- Silibinin
- Silicate
- Silicic acid
- Silicon
- Silicon tetrachloride
- Silicon tetrachloride (data page)
- Silodosin
- Siloxane
- Silver
- Silver(II) fluoride
- Silver acetate
- Silver azide
- Silver bromide
- Silver carbonate
- Silver chlorate
- Silver chloride
- Silver cyanide
- Silver fluoride
- Silver hexafluorophosphate
- Silver hydroxide
- Silver iodate
- Silver iodide
- Silver nitrate
- Silver oxalate
- Silver perchlorate
- Silver sulfadiazine
- Silver sulfate
- Silver tetrafluoroborate
- Silyl ether
- Simfibrate
- Simvastatin
- Sinapinic acid
- Sirolimus
- Sitafloxacin
- Sitagliptin
- Sitaxsentan
- Sodium
- Sodium acetate
- Sodium acetrizoate
- Sodium adipate
- Sodium aurothiomalate
- Sodium azide
- Sodium benzoate
- Sodium bis(trimethylsilyl)amide
- Sodium borohydride
- Sodium bromate
- Sodium bromide
- Sodium carbonate
- Sodium chlorate
- Sodium chlorite
- Sodium citrate
- Sodium cyanide
- Sodium cyclamate
- Sodium dichloroisocyanurate
- Sodium diethyldithiocarbamate
- Sodium dithionate
- Sodium dodecyl sulfate
- Sodium erythorbate
- Sodium ethoxide
- Sodium ferulate
- Sodium fluoride
- Sodium fluoroacetate
- Sodium formate
- Sodium fumarate
- Sodium hexafluoroaluminate
- Sodium hydrosulfide
- Sodium hydroxide
- Sodium hypochlorite
- Sodium hypophosphite
- Sodium iodate
- Sodium iodide
- Sodium malate
- Sodium maleonitriledithiolate
- Sodium methoxide
- Sodium methylsulfinylmethylide
- Sodium monofluorophosphate
- Sodium nitrate
- Sodium nitrite
- Sodium nonanoyloxybenzenesulfonate
- Sodium perborate
- Sodium percarbonate
- Sodium perchlorate
- Sodium periodate
- Sodium permanganate
- Sodium phenylbutyrate
- Sodium picosulfate
- Sodium poly(aspartate)
- Sodium polyacrylate
- Sodium propionate
- Sodium pyrophosphate
- Sodium pyruvate
- Sodium salicylate
- Sodium selenite
- Sodium silicate
- Sodium sorbate
- Sodium stearate
- Sodium stibogluconate
- Sodium sulfate (data page)
- Sodium sulfite
- Sodium tartrate
- Sodium tellurite
- Sodium thiocyanate
- Sodium thiopental
- Sodium thiosulfate
- Sodium valproate
- Solanine
- Solanone
- Solenopsin
- Solifenacin
- Solketal
- Solvent Red 164
- Solvent Red 26
- Solvent Violet 13
- Solvent Yellow 124
- Soman
- Somatostatin
- Sominex
- Sorafenib
- Sorbic acid
- Sorbitan monostearate
- Sorbitol
- Sotalol
- Spanish fly
- Sparfloxacin
- Sparteine
- Spectinomycin
- Sphingosine
- Sphingosine-1-phosphate
- Spiperone
- Spiramycin
- Spirapril
- Spironolactone
- Spirotryprostatin A
- Spurge
- Squalene
- Squaraine dye
- Squaric acid
- Stannabenzene
- Stannane
- Stannous fluoride
- Stannous hydroxide
- Stanozolol
- Statin
- Staurosporine
- Stavudine
- Stearamidopropyl dimethylamine
- Stearidonic acid
- Stearyl alcohol
- Sterigmatocystin
- Steviol glycoside
- Stibine
- Stibine (data page)
- Stilbene
- Stilbenoids
- Stiripentol
- Streptolydigin
- Streptomycin
- Streptozotocin
- Strontium
- Strontium bromate
- Strontium bromide
- Strontium carbonate
- Strontium chloride
- Strontium fluoride
- Strontium hydroxide
- Strontium nitrate
- Strontium ranelate
- Strontium sulfate
- Strontium titanate
- Strophanthidin
- Strychnine
- Styphnic acid
- Suberic acid
- Substance P
- Succinic acid
- Succinic anhydride
- Succinic semialdehyde
- Succinonitrile
- Succinyl-CoA
- Succinylmonocholine
- Sudan Black B
- Sudan I
- Sudan II
- Sudan III
- Sudan IV
- Sudan Red 7B
- Sudan Red G
- Sudan Yellow 3G
- Sufentanil
- Sugammadex
- Sugar
- Sulazepam
- Sulbactam
- Sulbutiamine
- Sulconazole
- Sulfacetamide
- Sulfadimethoxine
- Sulfadimidine
- Sulfalene
- Sulfamerazine
- Sulfamethizole
- Sulfamethoxazole
- Sulfamethoxypyridazine
- Sulfametomidine
- Sulfametoxydiazine
- Sulfamic acid
- Sulfamide
- Sulfamoxole
- Sulfaperin
- Sulfaphenazole
- Sulfapyridine
- Sulfasalazine
- Sulfate
- Sulfathiazole
- Sulfathiourea
- Sulfinpyrazone
- Sulfisomidine
- Sulfisoxazole
- Sulfite
- Sulfolane
- Sulfonal
- Sulfonium
- Sulfonmethane
- Sulforhodamine B
- Sulforidazine
- Sulfosalicylic acid
- Sulfoxide
- Sulfur
- Sulfur dioxide
- Sulfur mustard
- Sulfur trioxide
- Sulfuric acid
- Sulfurous acid
- Sulfuryl chloride
- Sulfuryl chloride fluoride
- Sulfuryl fluoride
- Sulindac
- Sulpiride
- Sultamicillin
- Sultiame
- Sumatriptan
- Sunitinib
- Sunset Yellow FCF
- Sunset yellow
- Suproclone
- Suprofen
- Suramin
- Suriclone
- Suxamethonium chloride
- Suxethonium chloride
- Swainsonine
- Symbescaline
- Syn-propanethial-S-oxide
- Synephrine
- Syntex
- Synulox
- Syringaldehyde
- Syringol
- TAN-1057 A
- TAN-1057 C
- TASF reagent
- TATB
- TCH346
- TEMPO
- THC-O-acetate
- THC-O-phosphate
- TIM (psychedelics)
- TME (psychedelics)
- TMPTA
- TOET (psychedelic)
- TOMSO
- TOM (psychedelic)
- TOSMIC
- TRIMU 5
- TSQ
- Tabun (nerve agent)
- Tacrine
- Tacrolimus
- Tadalafil
- Tafenoquine
- Talastine
- Talbutal
- Talose
- Tamoxifen
- Tamsulosin
- Tandospirone
- Tantalum
- Tapentadol
- Taribavirin
- Tartaric acid
- Tartrate
- Tartrazine
- Tartronic acid
- Taurine
- Taurocholic acid
- Taxane
- Tazarotene
- Tazobactam
- Tebbe's reagent
- Teflic acid
- Tegafur-uracil
- Tegaserod
- Teicoplanin
- Telithromycin
- Tellurate
- Telluric acid
- Tellurium
- Tellurium dioxide
- Tellurium trioxide
- Tellurous acid
- Telmisartan
- Temafloxacin
- Temazepam
- Temefos
- Temocillin
- Temozolomide
- Tenatoprazole
- Tenocyclidine
- Tenofovir
- Tenoretic
- Tentoxin
- Terazosin
- Terbinafine
- Terbutaline
- Terconazole
- Terephthalic acid (data page)
- Terephthaloyl chloride
- Terfenadine
- Terizidone
- Terlipressin
- Terodiline
- Terpinen-4-ol
- Terpinene
- Terpineol
- Terpyridine
- Tert-Butanol
- Tert-Butyl acetate
- Tert-Butylamine
- Tert-Butylhydroquinone
- Tert-Butyllithium
- Terthiophene
- Tesofensine
- Testosterone
- Tetra-ethyl lead
- Tetra-n-butylammonium bromide
- Tetra-n-butylammonium fluoride
- Tetraacetylethylenediamine
- Tetraaminoethylene
- Tetraazidomethane
- Tetrabenazine
- Tetrabromomethane
- Tetrabutylammonium hydroxide
- Tetrabutyltin
- Tetracaine
- Tetrachloro-m-xylene
- Tetrachloroethylene
- Tetrachloroethylene (data page)
- Tetracosactide
- Tetracosane
- Tetracyanoethylene
- Tetracycline
- Tetraethyl orthosilicate
- Tetraethylammonium
- Tetraethylammonium bromide
- Tetrafluoroborate
- Tetrafluorohydrazine
- Tetrafluoromethane
- Tetrahedrane
- Tetrahydrobiopterin
- Tetrahydrocannabinol
- Tetrahydrocannabivarin
- Tetrahydrofolic acid
- Tetrahydrofuran
- Tetrahydrofuran (data page)
- Tetrahydrogestrinone
- Tetrahydroisoquinoline
- Tetrahydromethanopterin
- Tetrahydropyran
- Tetrahydrothiophene
- Tetrahydroxyborate
- Tetrahydrozoline
- Tetrakis(dimethylamino)titanium(IV)
- Tetralin
- Tetramethrin
- Tetramethyl orthosilicate
- Tetramethylammonium hydroxide
- Tetramethylenedisulfotetramine
- Tetramethylethylenediamine
- Tetramethylethylenediamine (data page)
- Tetramethylsuccinonitrile
- Tetranitromethane
- Tetraoctylammonium bromide
- Tetraphenylphosphonium chloride
- Tetrasulfur tetranitride
- Tetraxenonogold(II)
- Tetrazene
- Tetrazepam
- Tetrazole
- Tetrazolium chloride
- Tetrodotoxin
- Tetryl
- Texas Red
- Tezosentan
- Thalidomide
- Thallium
- Thallium(I) bromide
- Thallium(I) carbonate
- Thallium(I) chloride
- Thallium(I) hydroxide
- Thallium(I) iodide
- Thallium(I) sulfate
- Thallium(III) hydroxide
- Thallium azide
- Theaflavin
- Theaflavin-3-gallate
- Theaflavin digallate
- Theanine
- Thebaine
- Theophylline
- Thiabendazole
- Thialbarbital
- Thiamine
- Thiamine monophosphate
- Thiamine pyrophosphate
- Thiamine triphosphate
- Thiamphenicol
- Thiamylal
- Thiazide
- Thiazole
- Thiazolidinedione
- Thiazyl fluoride
- Thiazyl trifluoride
- Thienamycin
- Thiethylperazine
- ThioTEPA
- Thioacetamide
- Thioacetazone
- Thioacetic acid
- Thiobarbital
- Thiobuscaline
- Thiobutabarbital
- Thiocarbanilide
- Thiocyanate
- Thiocyanic acid
- Thiocyanogen
- Thiodiglycol
- Thioescaline
- Thiofentanyl
- Thioflavin
- Thioglycolic acid
- Thiolutin
- Thiomersal
- Thiomescaline
- Thiomorpholine
- Thionin
- Thionyl bromide
- Thionyl chloride
- Thionyl fluoride
- Thioperamide
- Thiophene
- Thiophenol
- Thiophosgene
- Thiophosphoryl chloride
- Thioproscaline
- Thioridazine
- Thiosulfate
- Thiosulfuric acid
- Thiosymbescaline
- Thiothixene
- Thiotrisescaline
- Thiouracil
- Thonzylamine
- Thorin (chemistry)
- Thorium
- Thorium(IV) orthosilicate
- Thozalinone
- Threitol
- Threonine (data page)
- Threose
- Thujene
- Thujone
- Thulium
- Thymol
- Thymolphthalein
- Thymopentin
- Thyronamine
- Tiadenol
- Tiagabine
- Tianeptine
- Tiaprofenic acid
- Tiazofurin
- Tibezonium iodide
- Tibolone
- Ticarcillin
- Ticlopidine
- Ticrynafen
- Tifluadom
- Tigecycline
- Tiletamine
- Tiludronate
- Timolol
- Tin
- Tin(II) sulfate
- Tin(IV) chloride
- Tin(IV) iodide
- Tinidazole
- Tioguanine
- Tiopronin
- Tiotropium
- Tipepidine
- Tipranavir
- Tiratricol
- Tirilazad
- Tirofiban
- Titanium
- Titanium(II) chloride
- Titanium(III) chloride
- Titanium(III) fluoride
- Titanium(IV) fluoride
- Titanium chloride
- Tixocortol
- Tizanidine
- TobraDex
- Tobramycin
- Tocainide
- Tocopherol
- Tocopheryl acetate
- Tofisopam
- Tolazamide
- Tolazoline
- Tolbutamide
- Tolcapone
- Tolfenamic acid
- Tolmetin
- Tolnaftate
- Tolonium chloride
- Toloxatone
- Tolpropamine
- Tolterodine
- Toluene
- Toluene diisocyanate
- Toluene diisocyanate (data page)
- Tolvaptan
- Topiramate
- Topotecan
- Torasemide
- Torcetrapib
- Toremifene
- Torisel
- Tosylchloramide
- Trabectedin
- Tramadol
- Trandolapril
- Trandolapril/verapamil
- Tranexamic acid
- Trans-1,2-Diaminocyclohexane
- Trans-2-Methyl-2-butenal
- Trans-2-Phenyl-1-cyclohexanol
- Transfluthrin
- Tranylcypromine
- Traumatin
- Trazodone
- Trefentanil
- Trehalose
- Trenbolone
- Trestolone
- Tretinoin
- Triacetin
- Triacetone amine
- Triamcinolone
- Triamcinolone acetonide
- Triamterene
- Triazabicyclodecene
- Triazolam
- Tribendimidine
- Tribromofluoromethane
- Tributyl phosphate
- Tributyltin
- Tributyltin oxide
- Tricaine methanesulfonate
- Tricalcium phosphate
- Trichlorfon
- Trichloroacetyl chloride
- Trichlorobenzene
- Trichloroethylene
- Trichloroethylene (data page)
- Trichlorofluoromethane
- Trichloroisocyanuric acid
- Trichlorophenol
- Trichlorosilane
- Trichostatin A
- Trichothecene
- Tricine
- Triclabendazole
- Triclocarban
- Triclofos
- Triclosan
- Tricresyl phosphate
- Tridecane
- Tridihexethyl
- Triethanolamine
- Triethyl borate
- Triethyl phosphate
- Triethyl phosphite
- Triethylaluminium
- Triethylamine
- Triethylamine hydrochloride
- Triethylammonium acetate
- Triethylborane
- Triethylcholine
- Triethylenetetramine
- Triethylphosphonoacetate
- Triflate
- Triflic anhydride
- Triflubazam
- Trifluoperazine
- Trifluoroethane
- Trifluoroiodomethane
- Trifluoroiodomethane (data page)
- Trifluoromethanesulfonic acid
- Trifluoromethylisocyanide
- Trifluoromethylphenylpiperazine
- Trifluperidol
- Trifluridine
- Trigonelline
- Trihexyphenidyl
- Triiodothyronine
- Trilostane
- Trimeperidine
- Trimesic acid
- Trimetazidine
- Trimethadione
- Trimethaphan
- Trimethobenzamide
- Trimethoprim
- Trimethoxyamphetamine
- Trimethoxyphenethylamine
- Trimethyl borate
- Trimethyl phosphate
- Trimethyl phosphite
- Trimethylaluminium
- Trimethylamine
- Trimethylamine N-oxide
- Trimethylarsine
- Trimethylarsine (data page)
- Trimethylgallium
- Trimethylglycine
- Trimethylindium
- Trimethylolpropane phosphite
- Trimethylsilyl azide
- Trimethylsilyl chloride
- Trimethylsilyl cyanide
- Trimethylsilyldiazomethane
- Trimetrexate
- Trimipramine
- Trimix
- Trimthoprim
- Trinitroaniline
- Trinitrotoluene
- Trinitrotriazine
- Trioctylphosphine oxide
- Trioxane
- Trioxidane
- Trioxsalen
- Tripelennamine
- Triphenyl phosphate
- Triphenyl phosphite
- Triphenylamine
- Triphenylarsine
- Triphenylmethane
- Triphenylmethanol
- Triphenylmethyl radical
- Triphenylphosphine
- Triphenylphosphine oxide
- Triphenylstibine
- Triphosgene
- Triprolidine
- Triptorelin
- Tris
- Tris(2-chloroethyl)amine
- Tris(8-hydroxyquinolinato)aluminium
- Tris(pentafluorophenyl)boron
- Tris-(benzyltriazolylmethyl)amine
- Trisescaline
- Trisodium phosphate
- Tritium
- Trizivir
- Troglitazone
- Trolamine salicylate
- Troleandomycin
- Tromantadine
- Tropane
- Tropatepine
- Tropinone
- Tropisetron
- Tropone
- Trost ligand
- Trovafloxacin
- Truvada
- Trypan blue
- Trypanothione
- Tryptoline
- Tryptophan (data page)
- Tuaminoheptane
- Tubocurarine
- Tuftsin
- Tuinal
- Tungsten
- Tungsten hexacarbonyl
- Tungstic acid
- Tyramine
- Tyropanoate sodium
- URB597
- Udenafil
- Uldazepam
- Ulobetasol
- Umbelliferone
- Undecylenic acid
- Unisom
- Uracil mustard
- Uranium
- Uranium(III) chloride
- Uranium borohydride
- Uranium carbonate
- Uranium hexafluoride
- Uranium pentafluoride
- Uranium rhodium germanium
- Uranium sulfate
- Uranium tetrachloride
- Uranium tetrafluoride
- Uremia
- Uric acid
- Uridine diphosphate galactose
- Uridine diphosphate glucose
- Uridine diphosphate glucuronic acid
- Urobilin
- Ursodiol
- Ursolic acid
- VE (nerve agent)
- VG (nerve agent)
- VM (nerve agent)
- VX (nerve agent)
- Vagifem
- Valaciclovir
- Valdecoxib
- Valencene
- Valerate
- Valerenic acid
- Valerophenone
- Valganciclovir
- Valine (data page)
- Valinomycin
- Valnemulin
- Valnoctamide
- Valofane
- Valproic acid
- Valpromide
- Valrubicin
- Valsartan
- Vanadium
- Vanadium(II) chloride
- Vanadium(III) bromide
- Vanadium(III) chloride
- Vanadium(III) fluoride
- Vanadium(IV) fluoride
- Vanadium(IV) sulfate
- Vanadium chloride
- Vanadium tetrachloride
- Vanadium trisulfate
- Vancomycin
- Vandetanib
- Vanillic acid
- Vanillin
- Vanillyl mandelic acid
- Vanoxerine
- Vardenafil
- Varenicline
- Vaska's complex
- Vat Yellow 4
- Vecuronium
- Venlafaxine
- Verapamil
- Veratridine
- Vernallagra
- Verteporfin
- Vesparax
- Vetivazulene
- Vicine
- Vicodin
- Vicriviroc
- Victoria Blue BO
- Vidarabine
- Vigabatrin
- Vildagliptin
- Villiaumite
- Viloxazine
- Vinbarbital
- Vinblastine
- Vinclozolin
- Vinconate
- Vincristine
- Vindesine
- Vinorelbine
- Vinpocetine
- Vinyl bromide (data page)
- Vinyl ether
- Vinyl fluoride
- Vinylacetylene
- Vinylbital
- Viomycin
- Virodhamine
- Vitamin A
- Vitamin B12
- Vitamin B6
- Vitamin C
- Vitamin D
- Vitamin K
- Viton
- Voglibose
- Vomitoxin
- Voriconazole
- Vorinostat
- Vorozole
- WIN-7681
- Warfarin
- Wedelolactone
- Wieland-Miescher ketone
- XPB
- Xamoterol
- Xanthate
- Xanthocillin
- Xanthone
- Xanthosine triphosphate
- Xenon
- Xenon difluoride
- Xenon hexafluoride
- Xenon oxytetrafluoride
- Xenon tetrafluoride
- Xenon tetroxide
- Xenon trioxide
- Xibornol
- Ximelagatran
- Xylazine
- Xylene cyanol
- Xylenol orange
- Xylometazoline
- Xylulose
- Xylulose 5-phosphate
- Xylyl bromide
- Xyrem
- Y-23684
- Yellow 2G
- Yohimbine
- Ytterbium
- Ytterbium(II) chloride
- Ytterbium(III) bromide
- Ytterbium(III) chloride
- Ytterbium(III) chloride (data page)
- Ytterbium(III) fluoride
- Yttrium
- Yttrium(III) bromide
- Yttrium(III) chloride
- Yttrium(III) fluoride
- Yttrium lithium fluoride
- Zafirlukast
- Zalcitabine
- Zaldiar
- Zaleplon
- Zanamivir
- Zapizolam
- Zearalenone
- Zeaxanthin
- Zeise's salt
- Zestoretic
- Ziana (deleted as non-notable)
- Zidovudine
- Zileuton
- Zimelidine
- Zinc
- Zinc acetate
- Zinc bromide
- Zinc chlorate
- Zinc chloride
- Zinc chromate
- Zinc cyanide
- Zinc fluoride
- Zinc gluconate
- Zinc hydroxide
- Zinc iodide
- Zinc methyl
- Zinc molybdate
- Zinc nitrate
- Zinc phosphate
- Zinc phosphide
- Zinc pyrithione
- Zinc pyrophosphate
- Zinc stearate
- Zinc sulfate
- Zingerone
- Zingiberene
- Zipeprol
- Ziprasidone
- Zirconium
- Zirconium(IV) bromide
- Zirconium(IV) chloride
- Zirconium(IV) fluoride
- Zirconium(IV) hydroxide
- Zirconium(IV) iodide
- Zirconium(IV) silicate
- Zirconium propionate
- Zoalene
- Zolazepam
- Zoledronate
- Zolmitriptan
- Zolpidem
- Zomepirac
- Zonisamide
- Zopiclone
- Zosuquidar
- Zotepine
- Zuclopenthixol
- Zylofuramine
- Α-Santalol
- Β-Santalol