Superdrol Methasterone Methyldrostanolone CAS 3381-88-2 Legal Oral Steroid   Name   Methasterone Synonyms   NSC 40490; Superdrol; (2alpha,5alpha,17beta)-17-Hydroxy-2,17-dimethylandrostan-3-one; Methasteron         Molecular Formula   C21H34O2 Molecular Weight   318.49 CAS Registry Number   3381-88-2