Norgestrel
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Norgestrel".

content
Norgestrel
Systematic (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- dodecahydrocyclopenta[a]phenanthren-3-one
Identifiers
CAS number 6533-00-2
ATC code G03AC03
PubChem 13109
DrugBank APRD00106
Chemical data
Formula C21H28O2 
Mol. mass 312.446 g/mol
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life 5-14 hours
Excretion  ?
Therapeutic considerations
Pregnancy cat.

?
Legal status
Routes  ?

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.

See also

v • d • e
Sex hormones and related agents (primarily G03, also L02, H01C) – human endogenous in small caps
Progestogens/
progestins:
(receptor)
Agonist
Antiprogestogen
Androgens:
(receptor)
Agonist
Estrogens:
(receptor)
Agonist
Antiestrogen
Gonadotropins:
(FSHR/LHCGR)
Agonist
Antigonadotropin
GnRH:
(receptor)
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