Mezlocillin

Mezlocillin
Clinical data
AHFS/Drugs.comMicromedex Detailed Consumer Information
Pregnancy
category
  • B
Routes of
administration
Intravenous, intramuscular
ATC code
Pharmacokinetic data
Protein binding16–59%
MetabolismHepatic (20–30%)
Elimination half-life1.3–4.4 hours
ExcretionRenal (50%) and biliary
Identifiers
  • (2S,5R,6R)-3,3-dimethyl-6-[[(2R)-2-[(3-methylsulfonyl-
    2-oxo-imidazolidine-1-carbonyl)amino]-2-phenyl-acetyl]
    amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-
    carboxylic acid
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.052.013 Edit this at Wikidata
Chemical and physical data
FormulaC21H25N5O8S2
Molar mass539.58 g·mol−1
3D model (JSmol)
  • O=C(O)[C@@H]3N4C(=O)[C@@H](NC(=O)[C@@H](c1ccccc1)NC(=O)N2C(=O)N(S(=O)(=O)C)CC2)[C@H]4SC3(C)C
  • InChI=1S/C21H25N5O8S2/c1-21(2)14(18(29)30)26-16(28)13(17(26)35-21)22-15(27)12(11-7-5-4-6-8-11)23-19(31)24-9-10-25(20(24)32)36(3,33)34/h4-8,12-14,17H,9-10H2,1-3H3,(H,22,27)(H,23,31)(H,29,30)/t12-,13-,14+,17-/m1/s1 checkY
  • Key:YPBATNHYBCGSSN-VWPFQQQWSA-N checkY
  (verify)

Mezlocillin is a broad-spectrum penicillin antibiotic. It is active against both Gram-negative and some Gram-positive bacteria. Unlike most other extended spectrum penicillins, it is excreted by the liver, therefore it is useful for biliary tract infections, such as ascending cholangitis.