Norgestrel - Misplaced Pages

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Pharmaceutical compound

Norgestrel
Clinical data

AHFS/Drugs.com	Micromedex Detailed Consumer Information
MedlinePlus	a602008
ATC code	G03AC03 (WHO)
Pharmacokinetic data
Elimination half-life	5-14 hours
Identifiers
IUPAC name (8R,9S,10R,13S,14S,17S)- 13-ethyl-17-ethynyl-17-hydroxy- 1,2,6,7,8,9,10,11,12,14,15, 16- dodecahydrocyclopentaphenanthren-3-one
CAS Number	6533-00-2
PubChem CID	16051930
DrugBank	DB00506
ChemSpider	10481953
UNII	3J8Q1747Z2
KEGG	D00954
CompTox Dashboard (EPA)	DTXSID3047477
ECHA InfoCard	100.026.758
Chemical and physical data
Formula	C₂₁H₂₈O₂
Molar mass	312.446 g/mol g·mol
3D model (JSmol)	Interactive image
SMILES O=C\1CC4C(=C/1)/CC34CC2(CC)3CCC2(O)C#C
InChI InChI=1S/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,13,16-19,23H,3,5-12H2,1H3/t16-,17+,18+,19-,20-,21?/m0/s1 Key:WWYNJERNGUHSAO-CULCCENASA-N
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Norgestrel is a progestin used in hormonal contraceptives. Norgestrel is a mixture of two stereoisomers, dextro-norgestrel (CAS# 797-64-8) and levo-norgestrel (CAS# 797-63-7). Only levonorgestrel is biologically active. Therefore, while some medications may contain dextronorgestrel, they are often labeled in terms of their levonorgestrel content only, ignoring the inert isomer. It is used in the hormonal contraceptive Microgynon 30, among others.

See also