Norethynodrel

Norethynodrel
Systematic (IUPAC) name
	(8S,9S,13S,14S,17S)-17-ethynyl-17-hydroxy-13-methyl-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
Clinical data
Pregnancy cat.	?
Legal status	?
Identifiers
CAS number	68-23-5
ATC code	G03FA09
PubChem	CID 6231
ChemSpider	5995
UNII	88181ACA0M
ChEMBL	CHEMBL1387
Synonyms	Noretynodrel; (17β)-17-ethynyl-17-hydroxyestr-5(10)-en-3-one
Chemical data
Formula	C20H26O2
Mol. mass	298.419 g/mol
	SMILES O=C4CCC\1=C(\CC[C@@H]2[C@@H]/1CC[C@]3([C@H]2CC[C@]3(C#C)O)C)C4;
	InChI InChI=1S/C20H26O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,16-18,22H,4-12H2,2H3/t16-,17-,18+,19+,20+/m1/s1 ; Key:ICTXHFFSOAJUMG-SLHNCBLASA-N ;
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Norethynodrel is a steroidal progestin which was formerly used in Enovid, the first oral contraceptive.^[1]^[2]

References [edit]

^ Edgren, R. A. (1994). "Early oral contraceptive history: Norethynodrel is not a prohormone". Steroids 59 (1): 58–59. PMID 8140604. edit
^ "FDA Approved Drug Products". FDA.

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