Home > Chiral Compounds> (8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol

(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol

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Origin: China

Cas No: 16915-71-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 16915-71-2 Formula: C20H28O Molecular Weight: 284.43600

Description

Cingestol (INN, USAN) (former tentative brand name Lutisan), also known as 17α-ethynyl-5-estren-17β-ol, is a steroidal progestin of the 19-nortestosterone group that was never marketed. It was synthesized in 1969 and was developed in the 1970s by Organon as a low-dose, progestogen-only contraceptive, but in 1984, was still described as "under investigation". The drug is an isomer of lynestrenol with the double bond between C5 and C6.

Basic Info

Chemical Name	(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol
Synonyms	EINECS 240-964-1; CINGESTOL; Lutisan; Cingestolum; Cingestolo; 19-Nor-17alpha-pregn-5-en-20-yn-17-ol;
CAS No.	16915-71-2
Molecular Formula	C20H28O
Molecular Weight	284.43600
PSA	20.23000
LogP	4.31350

Properties

Density	1.08g/cm3
Boiling Point	399.6ºC at 760mmHg
Flash Point	176.9ºC
Refractive Index	1.568
Vapor Pressure	0mmHg at 25°C

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