17-Methyltestosterone Powder Promote Male Sexuality Feed Tilapia 58-18-4 Email:allen@bulkraws.com Skype:Bulkraws Methyltestosterone Synonyms: METANDREN; 17-Methyltestosterone CAS No.: 58-18-4 M.F.: C20H30O2 M.W.: 302.45 EINECS No.: 200-366-3 Assay: 98% Appearance: White crystalline powder,odorless, tasteless, hygroscopic, light case of deterioration. Usage pharmaceutical material, Androgen for testosterone deficiency, replacement therapy can also be used for functional uterine bleeding, aplastic anemia and other diseases treatment. Preparation Products Bolasterone.