Methyldienedione Synonyms: Estra-4,9-Diene-3,17-Dione CAS: 5173-46-6 MF: C18H22O2 MW: 270.37 アッセイ: 99% Character: 白色結晶性粉末. Packing:Foil bag or as requirments Categories: 医薬中間体; アミノ酸; 中間体 & ファインケミカル; 代謝物 & 不純物; 医薬品; Steroids Usage: A potential metabolitie of STS 557 (Dienogest). A steroid with antiglucocorticoid activity.