Methyldienedione Synonyms: Estra-4,9-Diene-3,17-Dione CAS: 5173-46-6 MF: C18H22O2 MW: 270.37 アッセイ: 99% キャラクター: 白色の結晶性粉末. Packing:Foil bag or as requirments Categories: Pharmaceutical Intermediates; Amino Acids; 中間体 & ファインケミカル; Metabolites & Impurities; 医薬品; Steroids Usage: A potential metabolitie of STS 557 (Dienogest). A steroid with antiglucocorticoid activity.