1. APIs
  2. Desogestrel
  3. Impurities

Desogestrel Impurities

Name Structure CASRN Other Names and Identifiers
13-Ethyl-11-methylenegon-4-en-17-one structure 54024-21-4
  • USP Desogestrel Related Compound D
  • BP Desogestrel Impurity C
Etonogestrel structure 54048-10-1
  • USP Desogestrel Related Compound C
  • BP Desogestrel Impurity D
  • 13-Ethyl-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-17-ol-3-one
13-Ethyl-3-hydroxy-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-17-ol structure 70805-85-5
  • USP Desogestrel Related Compound B
  • BP Desogestrel Impurity E
11-Methylene Lynestrenol structure
  • BP Desogestrel Impurity B
  • 11-methylene-19-nor-17α-pregn-4-en-20-yn-17-ol
13-Ethyl-11-methylene-18,19-dinor-5α,17α-pregn-3-en-20-yn-17-ol structure 201360-82-9
  • USP Desogestrel Related Compound A
  • BP Desogestrel Impurity A
  • Desogestrel Δ3 Isomer