99% purity powder Ethisterone

Ethisterone English Synonyms: 4,17ALPHA-PREGNEN-17BETA-OL-20-YN-3-ONE;4,17a-pregnen-17b-ol-20-yn-3-one;4,17A-PREGNEN-17B-OL-20-YNE;4-ANDROSTEN-17-ALPHA-ETHYNYL-17-BETA-OL-3-ONE;(8R,9S,10R,13S,14S,17R)-17-ETHYNYL-17-HYDROXY-10,13-DIMETHYL-1,2,6,7,8,9,10,11,12,13,14,15,16,17-TETRADECAHYDRO-CYCLOPENTA[A]PHENANTHREN-3-ONE;ANHYDROHYDROXYPROGESTERONE;ANHYDROXYPROGESTERONE;17BETA-HYDROXY-4,17ALPHA-PREGNEN-20-YN-3-ONE CAS NO.: 434-03-7 Assay: 98% Molecular Formula:C21H28O2 Molecular Weight:312.45 Packing:1kg / foil bags Appearance: White or milky white crystalline powder. Melting point 269-275 ℃, at 190-195 ℃ in high vacuum sublimation. Slightly soluble in ethanol, acetone, chloroform and vegetable oils, in fact, insoluble in water 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