DSG05: Desogestrel EP Impurity E

Desogestrel USP RC B ;

3β-Hydroxydesogestrel ;

13-Ethyl-11-methylidene-18,19-dinor-17α-pregn-4-en-20-yne-3β,17-diol ;

CAS # 70805-85-5 ;

C22H30O2 ;
Mol. Wt.: 326.47 ;