Pyrethrin I

Pyrethrin I
Names
	Preferred IUPAC name (1S)-2-Methyl-4-oxo-3-[(2Z)-penta-2,4-dien-1-yl]cyclopent-2-en-1-yl (1R,3R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate
Identifiers
CAS Number	121-21-1 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:27815;
ChemSpider	4444510;
ECHA InfoCard	100.004.051
EC Number	204-455-8;
KEGG	C07594; D08452;
PubChem CID	5281045;
UNII	T018I9EQOL;
CompTox Dashboard (EPA)	DTXSID4034499 ;
	InChI InChI=1S/C21H28O3/c1-7-8-9-10-15-14(4)18(12-17(15)22)24-20(23)19-16(11-13(2)3)21(19,5)6/h7-9,11,16,18-19H,1,10,12H2,2-6H3/b9-8-/t16-,18+,19+/m1/s1 Key: ROVGZAWFACYCSP-VUMXUWRFSA-N;
	SMILES CC1=C(C(=O)C[C@@H]1OC(=O)[C@@H]2[C@H](C2(C)C)C=C(C)C)C/C=C\C=C;
Properties
Chemical formula	C21H28O3
Molar mass	328.44522
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H332, H410
Precautionary statements	P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P391, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Pyrethrin I is one of the two pyrethrins, natural organic compounds with potent insecticidal activity. It is an ester of (+)-trans-chrysanthemic acid with (S)-(Z)-pyrethrolone.