Methyldienedione Synonyms: Estra-4,9-Diene-3,17-Dione CAS: 5173-46-6 MF: C18H22O2 MW: 270.37 Analysera: 99% Character: Vitt kristallint pulver. Packing:Foil bag or as requirments Categories: Farmaceutiska mellanprodukter; Aminosyror; Mellanprodukter & Finkemikalier; Metaboliter & Föroreningar; Läkemedel; Steroids Usage: A potential metabolitie of STS 557 (Dienogest). A steroid with antiglucocorticoid activity.