Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 6,7-Dehydro Norethindrone Acetate
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 6,7-Dehydro Norethindrone Acetate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

106765-04-2

106765-04-2 structure

106765-04-2 structure

Name: 6,7-Dehydro Norethindrone Acetate
Chemical Name: [(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-1,2,8,9,10,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate
CAS Number: 106765-04-2
Molecular Formula: C₂₂H₂₆O₃
Molecular Weight: 338.440
Create Date: 2018-12-29 14:24:38
Modify Date: 2025-08-25 13:32:51

Name	[(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-1,2,8,9,10,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate
Synonyms	(17α)-3-Oxo-19-norpregna-4,6-dien-20-yn-17-yl acetate Estra-4,6-dien-3-one, 17-(acetyloxy)-17-ethynyl-, (17β)- 6,7-Dehydro Norethindrone Acetate

Density	1.2±0.1 g/cm3
Boiling Point	469.7±45.0 °C at 760 mmHg
Molecular Formula	C₂₂H₂₆O₃
Molecular Weight	338.440
Flash Point	204.6±28.8 °C
Exact Mass	338.188202
PSA	43.37000
LogP	3.55
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.571

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RC8916000

CHEMICAL NAME :: 19-Nor-17-alpha-pregna-4,6-dien-20-yn-3-one, 17-hydroxy-, acetate

CAS REGISTRY NUMBER :: 106765-04-2

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C22-H26-O3

MOLECULAR WEIGHT :: 338.48

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 500 ug/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

REFERENCE :: 85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press, 1965 Volume(issue)/page/year: -,57,1965

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