1. APIs
  2. Norethindrone
  3. Impurities
  4. 17-Hydroxy-19-nor-17α-pregn-4,6-dien-20-yn-3-one

17-Hydroxy-19-nor-17α-pregn-4,6-dien-20-yn-3-one

Structure

Other Names & Identifiers

  • BP Norethisterone Impurity A

Spectra

LC, UV 254 nm

library_books

References

  1. British Pharmacopoeia 2014: Norethisterone API
    2. (View all citations for this reference)
  2. European Pharmacopoeia 8.2 Norethisterone
    3. (View all citations for this reference)

Limits

0.1%

References

  1. European Pharmacopoeia 8.2 Norethisterone
    2. (View all citations for this reference)
  2. British Pharmacopoeia 2014: Norethisterone API
    3. (View all citations for this reference)
  3. British Pharmacopoeia 2017: Norethisterone monograph.
    4. (View all citations for this reference)