Product name: Methasterone Synonym: Superdrol;Methyldrostanolone;17a-Methyl-Drostanolone, 17b-Ol;2a 17 a Di-Methyl Etiocholan 3-One, 17b-Ol CAS Registry Number: 3381-88-2 Assay: 97% Molecular Formula: C21H34O2 Molecular Weight: 318.4935 Appearance: White or white crystalline powder