Pharmaceutical Reference Standards / Impurity Standards

Desogestrel
Desogestrel Ep Impurity E
Desogestrel EP Impurity C
Desogestrel EP Impurity A
Desogestrel EP Impurity B
Desogestrel Impurity 5
3(R,S)-Hydroxy Desogestrel
Desogestrel EP Impurity D

Isotope Labelled Compounds

Desogestrel-13C2-D2