Methyldienedione Synonyms: Estra-4,9-Diene-3,17-Dione CAS: 5173-46-6 MF: C18H22O2 MW: 270.37 Saggio: 99% Carattere: Polvere cristallina bianca. Imballaggio:Foil bag or as requirments Categories: Intermedi farmaceutici; Aminoacidi; intermedi & Prodotti chimici fini; Metaboliti & Impurità; Farmaceutici; Steroids Usage: A potential metabolitie of STS 557 (Dienogest). A steroid with antiglucocorticoid activity.