1. APIs
  2. Desogestrel
  3. Impurities
  4. 13-Ethyl-3-hydroxy-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-17-ol

13-Ethyl-3-hydroxy-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-17-ol

Structure

Other Names & Identifiers

  • USP Desogestrel Related Compound B
  • BP Desogestrel Impurity E

CASRN

70805-85-5

Limits

0.10%

References

  1. US Pharmacopoeia 40 (2017): Desogestrel monograph.
    2. (View all citations for this reference)
  2. BP 2017 Desogestrel monograph.
    3. (View all citations for this reference)