Dihydrotestosterone Undecanoate and its Impurities

Dihydrotestosterone undecanoate (DHTU), also known as androstanolone undecanoate or stanolone undecanoate, is a synthetic androgen and anabolic steroid. It is an androgen indicated for testosterone replacement therapy in adult males with primary hypogonadism and hypogonadotropic hypogonadism. Reference standards of Dihydrotestosterone Undecanoate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.