Female Hormone Ethisterone CAS434-03-7

"Ethisterone Synonym: Ethinyltestosterone,Progestoral CAS NO: 434-03-7 M.F.: C21H28O2 M.W: 312.45 Packaging: 1kg/tin Export Markets:Global Appearance: White or kind of white crystalline powder Packing: Discreet Packing ways for your choice.

Usage: Similar to the yellow like progesterone, for the treatment of excessive menstrual bleeding, or sub-camps can also be used to prevent threatened abortion and habitual abortion. Progesterone is a progestin by the corpus luteum and the placenta secreted is more than the synthetic

Description: 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. "