dienogest and its Impurities
Dienogest is primarily used as a contraceptive in combination with ethinylestradiol, or in other combination form pills approved in United States and Europe however it is not available in the US by itself. Reference standards of Dienogest API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


2-((8S,13S,14S,17R)-17-Hydroxy-13-methyl-3-(pyrrolidin-1-yl)-2,6,7,8,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl)acetonitrile
2-((8S,13S,14S,17R)-17-Hydroxy-13-methyl-3-(pyrrolidin-1-yl)-2,6,7,8,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl)acetonitrile
Catalogue No.:PAI 04 083001
CAS :
NA
Molecular Formula : C24H32N2O
Molecular Weight : 364.53


2-((8S,13S,14S)-3-Hydroxy-13-methyl-17-oxo-2,3,4,6,7,8,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl)acetonitrile
2-((8S,13S,14S)-3-Hydroxy-13-methyl-17-oxo-2,3,4,6,7,8,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl)acetonitrile
Catalogue No.:PA 04 0831002
CAS :
NA
Molecular Formula : C20H25NO2
Molecular Weight : 311.43