| Message: | 99% Anabolic Steroid Ethisterone powder 434-03-7
CAS No.: 434-03-7
Synonyms: 434-03-7; Ethisterone; Anabolic Steroid ,Ethinyltestosterone，Progestoral
Formula: C21H28O2
Molecular Weight: 312.49
EINECS: 207-096-5
Melting Point: 263-269 ° C(lit. )
Boiling Point: 446.4 ° C at 760mmHg
Flash Point: 190.2 ° C
Risk Codes: 40-48
Safety: 22-24/25
Purity: ≥ 99%
Application: API
Storage: Keep in dry place
PackAge: In drum or bag
DeliveryTime: Within 2 days after payment
Appearance: White to yellowish powder
Usage: Synthetic progestogen; metabolite of Danazol; intermediate in the synthesis of Spironolactone
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description:
Ethisterone is a progestogen hormone.
The first orally active progestin, ethisterone (pregneninolone, 17α-ethynyltestosterone or 19-norandrostane), the 17α-ethynyl analog of testosterone, 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.
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)
COA:
Product name Ethisterone
Appearance White crystalline powder
Water ¡Ü3% pass
Assay 98 .0~ 102.0% 99.5%
Loss on drying ¡Ü0.5% 0.2%
Related substances total impurities ¡Ü1.0% Pass
any individual impurity ¡Ü0.5% Pass
Residual solvents ethanol ¡Ü0.5% Pass
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