CAS: 302-22-7 Assay: 98% Molecular Formula: C23H29ClO4 Molecular weight: 404.93 Standard: CP2000, JP13 Appearance: white crystalline powder Reference Standard: CP Shelf Life: 2years Packing:Foil bag Description: Chlormadinone acetate , sometimes abbreviated as CMA, is a steroidal progestin with additional antiandrogen and antigonadotropic (and thus also antiestrogenic) effects.It is used clinically as a hormonal contraceptive, and in part due to its lowering of estrogen levels, but also for improved effectiveness in contraception, chlormadinone is frequently combined with ethinyl estradiol for this purpose. It is the acetate ester of chlormadinone. Applications: Chlormadinone acetate (INN, USAN, BAN, JAN; sold under brand names including Clordion, Gestafortin, Lormin, Non-Ovlon, Normenon, Verton, and many others), sometimes abbreviated as CMA, is a steroidal progestin with additional antiandrogen and antigonadotropic (and thus also antiestrogenic) effects. It is used clinically as a hormonal contraceptive, and in part due to its lowering of estrogen levels, but also for improved effectiveness in contraception, chlormadinone is frequently combined with ethinyl estradiol for this purpose. It is the acetate ester of chlormadinone.