1. APIs
  2. Norethindrone
  3. Impurities
  4. 17α-Ethynyl-17-hydroxy-4-oestrene-3,6-dione

17α-Ethynyl-17-hydroxy-4-oestrene-3,6-dione

Structure

Other Names & Identifiers

  • Impurity 1 (Gorog 1987)

Notes

Not listed in pharmacopoeias. Substance 1 in reference.

Spectra

HPLC, UV

library_books

References

  1. Gorog SH, B. Analysis of Steroids. 38. The use of high-performance liquid chromatography with diode-array UV detection for estimating impurity profiles of steroid drugs. Journal of Chromatography. 1987; 400:177-86.
    2. (View all citations for this reference)

References

  1. Gorog SH, B. Analysis of Steroids. 38. The use of high-performance liquid chromatography with diode-array UV detection for estimating impurity profiles of steroid drugs. Journal of Chromatography. 1987; 400:177-86.
    2. (View all citations for this reference)