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CAS 434-03-7 Ethisterone/sherry@chembj.com

Create: 12/11/2016
Expired Date:12/11/2017
Category: Raw materials [Health&Medical&Pharmaceutical]
Message:CAS 434-03-7 Ethisterone/sherry@chembj.com Product Name: Ethisterone Synonym: 17a-Ethinyl testosterone,Progestoral,Anhydrohydroxyprogesterone CAS: 434-03-7 EINECS: 207-096-5 MF: C21H28O2 MW: 312.45 Appearance: White Or Kind Of White Crystalline Powder Usage: Synthetic progestogen; metabolite of Danazol; intermediate in the synthesis of Spironolactone Ethisterone (pregneninolone, 17α-ethynyltestosterone or 19-norandrostane) is a progestin. It is the 17α-ethynyl analog of testosterone, and was synthesized in 1938 by Hans Herloff Inhoffen, Willy Logemann, Walter Hohlweg, and Arthur Serini at Schering AG in Berlin and marketed in Germany in 1939 as Proluton C and by Schering in the U.S. in 1945 as Pranone. It was the first orally-active progestin. Ethisterone was also marketed in the U.S. from the 1950s into the 1960s under a variety of trade names by other pharmaceutical companies that had been members of the pre-World War II European hormone cartel (Ciba, Organon, Roussel).
City:Jinan Shandong[CN] 
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