Norethisterone Thallium and its Impurities

Norethisterone Thallium, also known as norethindrone and sold under many brand names, is a progestin medication used in birth control pills, menopausal hormone therapy, and for the treatment of gynecological disorders. Reference standards of Norethisterone Thallium API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.