1. APIs
  2. Cyproterone Acetate
  3. Impurities
  4. 3,6,20-Trioxo-1β,2β-dihydro-3′H-cyclopropa[1,2]pregna-1,4-dien-17-yl Acetate

3,6,20-Trioxo-1β,2β-dihydro-3′H-cyclopropa[1,2]pregna-1,4-dien-17-yl Acetate

Structure

Other Names & Identifiers

  • BP CPA Impurity E
  • BP Cyproterone Tablets Impurity 3
  • 1α-2α-methylene-3,6,20-trioxopregna-4-en-17α-yl Acetate

Limits

0.2%

References

  1. BP 2017: Cyproterone Acetate monograph.
    2. (View all citations for this reference)
  2. BP 2017: Cyproterone Tablets monograph.
    3. (View all citations for this reference)