
CAS Number
201360-82-9
(5 alpha,17 alpha)-13-Ethyl-11-methylene-18,19-dinorpregn-3-en-20-yn-17-ol
SL Number
CSL-9094
Category
impurity
Molecular Formula
C22H30O
Molecular Weight
310.47
Description
Desogestrel Impurity A (EP); Desogestrel delta 3-isomer; 13-Ethyl-11-methylidene-18,19-dinor-5 alpha,17 alpha-pregn-3-en-20-yn-17-ol
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