[734-32-7]    

Synonyms : Estr-4-ene-3,17-dione; 9-Nor-4-androstenedione; 19-Norandrost-4-ene-3,17-dione; 3,17-Dioxo-19-norandrost-4-ene; Norethisterone EP impurity B; NSC 12164

Applications : This is an impurity of Norethindrone (Norethindrone EP impurity B), it is a synthetic progestin, which mimic the actions of the endogenous ovarian hormone progesterone.

References : Schindler A. E. et al.: Maturitas, 46 Suppl 1, S7-S16, 2003; Schoonen W. G. et al.: J. Steroid Biochem Mol Biol, 74(4), 213-222, 2000; .Seeger H. et al.: J. Br. Menopause Soc, 9(1), 36-38, 2003; Enr韖uez J. et al.: J. Endocrinol, 193(3), 493-50, 2007; Bain S. D. et al.: J. Bone Miner Res, 8(2), 219-230, 1993; Broul韐 P. D et al. Prague Med Rep, 107(4), 401-40, 2006.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.