1. APIs
  2. Levonorgestrel
  3. Impurities
  4. 13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol

13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol

Structure

MOL SDF CML

Other Names & Identifiers

  • BP Levonorgestrel Impurity Q

CASRN

1038-28-4

Molecular Formula

C20H30O2

References

Molecular Weight

302.45

References

Structural Difference from API

no ethynyl group at C17; double bonds between C2 & C3 and C5 & C10 instead of between C4 & C5; methoxy group at C3 instead of carbonyl

References

Pub Chem ID

101950

References

Limits

0.1%

References

  1. British Pharmacopoeia 2017: Levonorgestrel monograph.
    2. (View all citations for this reference)