3-Oxidido 17-alpha-ethynyl 17-beta-hydroxy estra-4,9,11-triene [French ]

Modify Date: 2025-08-28 21:25:04

3-Oxidido 17-alpha-ethynyl 17-beta-hydroxy estra-4,9,11-triene [French ] structure	Common Name	3-Oxidido 17-alpha-ethynyl 17-beta-hydroxy estra-4,9,11-triene [French ]
	CAS Number	19636-23-8	Molecular Weight	309.40200
	Density	1.244g/cm3	Boiling Point	533.233ºC at 760 mmHg
	Molecular Formula	C₂₀H₂₃NO₂	Melting Point	N/A
	MSDS	N/A	Flash Point	358.8ºC

Name	(3Z,8S,13S,14S)-17-ethynyl-3-hydroxyimino-13-methyl-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-17-ol
Synonym	More Synonyms

Density	1.244g/cm3
Boiling Point	533.233ºC at 760 mmHg
Molecular Formula	C₂₀H₂₃NO₂
Molecular Weight	309.40200
Flash Point	358.8ºC
Exact Mass	309.17300
PSA	52.82000
LogP	3.59380
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.643

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RC8960090

CHEMICAL NAME :: 19-Norpregna-4,9,11-trien-20-yn-3-one, 17-hydroxy-, oxime, (17-alpha)-

CAS REGISTRY NUMBER :: 19636-23-8

LAST UPDATED :: 199712

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C20-H23-N-O2

MOLECULAR WEIGHT :: 309.44

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 22 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMXXAJ French Medicament Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Discontinued. Volume(issue)/page/year: #4826M ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2 mg/kg

SEX/DURATION :: female 6-9 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

REFERENCE :: SCYYDZ Shengzhi Yu Biyun. Reproduction and Contraception. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) 1980- Volume(issue)/page/year: 10(3),67,1990

R 2010 oxime

Oxime,17-hydroxy-19-norpregna-4,9,11-trien-20-yn-3-one

So 57

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