Dienogestrel English Synonyms: Dienogest; Dienogestril; Endometrion; 17R)-17-Hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile CAS NO.: 65928-58-7 Assay: 98% Molecular Formula: C20H25NO2 Molecular Weight: 311.42 Packing: foil bag Usage: Dienogest newly developed contraceptive drug, due to its strong inhibition of ovulation and used oral contraceptives E-mail: zq@chembj.com Skype: fan-@outlook.com