Citations for: Li, H.; Song, Y.; Peng, X. Improved Synthesis of Mestranol and Ethinyl Estradiol (EE) Related Degradation Products as Authentic References. Steroids 2008, 73 (5), 488–494.

Entry Type
Name
Value
Parent Entry
Impurity
6α-Hydroxymestranol
N/A
Impurities Data Field
Appearance
white solid
6α-Hydroxymestranol (Impurity)
Impurities Data Field
Melting Point
144.2-145.6 °C
6α-Hydroxymestranol (Impurity)
Impurities Data Field
Spectra
1H NMR and IR peaks available.
6α-Hydroxymestranol (Impurity)
Impurity
6β-Hydroxymestranol
N/A
Impurities Data Field
Appearance
pale yellow solid
6β-Hydroxymestranol (Impurity)
Impurities Data Field
Melting Point
198.5-199.5 °C
6β-Hydroxymestranol (Impurity)
Impurity
17α-Ethinyl-3-Methoxyestra-1,3,5(10),6-tetraene-17-ol
N/A
Impurities Data Field
Appearance
Pale yellow solid.
17α-Ethinyl-3-Methoxyestra-1,3,5(10),6-tetraene-17-ol (Impurity)
Impurities Data Field
Melting Point
124.4-125.3 °C
17α-Ethinyl-3-Methoxyestra-1,3,5(10),6-tetraene-17-ol (Impurity)
Impurities Data Field
Spectra
1H NMR and IR peaks available.
17α-Ethinyl-3-Methoxyestra-1,3,5(10),6-tetraene-17-ol (Impurity)
Impurity
17α-Ethinyl-17-hydroxy-3-methoxyestra-1,3,5(10)-triene-6-one
N/A
Impurities Data Field
Appearance
Pale yellow needles
17α-Ethinyl-17-hydroxy-3-methoxyestra-1,3,5(10)-triene-6-one (Impurity)
Impurities Data Field
Melting Point
161.8-162.5 °C
17α-Ethinyl-17-hydroxy-3-methoxyestra-1,3,5(10)-triene-6-one (Impurity)
Impurities Data Field
Spectra
1H NMR, IR, and EI MS peaks available.
17α-Ethinyl-17-hydroxy-3-methoxyestra-1,3,5(10)-triene-6-one (Impurity)
Impurity
17α-Ethinyl-3-methoxyestra-1,3,5(10),9(11)-tetraene-17-ol
N/A
Impurities Data Field
Appearance
Pale yellow needles.
17α-Ethinyl-3-methoxyestra-1,3,5(10),9(11)-tetraene-17-ol (Impurity)
Impurities Data Field
Melting point
144.7-145.9 °C
17α-Ethinyl-3-methoxyestra-1,3,5(10),9(11)-tetraene-17-ol (Impurity)
Impurities Data Field
Spectra
1H NMR and IR peaks available.
17α-Ethinyl-3-methoxyestra-1,3,5(10),9(11)-tetraene-17-ol (Impurity)