产品描述:
Norethindrone-d6 is intended for use as an internal standard for the quantification of norethindrone (Item No. 20941) by GC- or LC-MS. Norethindrone is a synthetic progestin.{59803} In vivo, norethindrone (0.5 mg/animal per day) inhibits the estrous cycle in female mice. It induces tumor progression and metastasis in a BT474 breast cancer mouse xenograft model.{59804} Formulations containing norethindrone have been used as oral contraceptives.