Chlormadinone acetate Synonyms: 17-(Acetyloxy)-6-chloropregna-4,6-diene-3,20-dione CAS: 302-22-7 MF: C23H29ClO4 MW: 404.93 Standard: CP2000, JP13 Appearance: white crystalline powder Assay: 99% Packing: Foil bag Usage: Orally active progesteron with antiandrogenic activity; has been used in combinations as an oral contraceptive. Progestogen; antineoplastic (hormonal)