Methyldienedione Synonyms: Estra-4,9-Diene-3,17-Dione CAS: 5173-46-6 MF: C18H22O2 MW: 270.37 Assay: 99% Karakter: Hvitt krystallinsk pulver. Packing:Foil bag or as requirments Categories: Farmasøytiske mellomprodukter; Aminosyrer; Mellomprodukter & Finkjemikalier; Metabolitter & Urenheter; Legemidler; Steroids Usage: A potential metabolitie of STS 557 (Dienogest). A steroid with antiglucocorticoid activity.