Alias: Ethisterone,98%; 17-alpha-ethynyltestosterone; pregneninolone; 17a-ethynyl-17b-hydroxy-4-androsten-3-one; 17a-ethynyl testosterone; anhydrohydroxyprogesterone; ethynyl testosterone; Gestoral; 17-hydroxypregn-4-en-20-yn-3-one; (8xi,9xi,10xi,13xi,14xi,17alpha)-17-hydroxypregn-4-en-20-yn-3-one; (8xi,9xi,14xi,17alpha)-17-hydroxypregn-4-en-20-yn-3-one; (17alpha)-17-hydroxypregn-4-en-20-yn-3-one
Molecular weight: 312.45     C₂₁H₂₈O₂ 
CAS No.: 443-03-7    
Appearance: white or off-white crystalline powder, no odor, has a little bitter taste.
Purity: 97.0%～103.0% (HPLC)
Packing: 20kg/fiber drum 
Product standard: CHP
Uses: progestogens drug. It can be used in the treatment of metrorrhagia or metrorrhagia.