Norgestimate

Norgestimate Norgestimate:

(3EZ)-13β-Ethyl-3-(hydroxyimino)-18,19-dinor-17α-pregn-4-en-20-yn-17-yl acetate ; CAS : 35189-28-7 ; C23H31NO3 ; Mol. Wt.: 369.5 ;
Norgestimate EP Impurity A Norgestimate Impurity A :

Levonorgestrel Acetate ; 13β-Ethyl-3-oxo-18,19-dinor-17α-pregn-4-en-20-yn-17-yl acetate ; CAS : 13732-69-9 ;  C23H30O3 ; Mol. Wt.: 354.48
Norgestimate EP Impurity B Norgestimate Impurity B:

Levonorgestrel ; 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one ; CAS : 797-63-7 ; C21H28O2 ; Mol. Wt.: 312.45 ;
Norgestimate EP Impurity D Norgestimate Impurity D:

(Z)-Norelgestromin ; 17-Desacetyl (Z)-Norgestimate ; (3Z)-13β-Ethyl-3-(hydroxyimino)-18,19-dinor-17α-pregn-4-en-20-yn-17-ol ; CAS : 53016-31-2 ; C21H29NO2 ; Mol. Wt.: 327.46 ;