CAS 38002-18-5

Ethinyl Estradiol Related Compound A (19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol-6-one)

CAS: 38002-18-5

Estrogens and progestins

Formula: C₂₀H₂₂O₃

Color and Shape: White Off-White Light Yellow Powder

Molecular weight: 310.15689

Ref: 45-1260012

Ethinylestradiol EP Impurity G (Ethinyl Estradiol USP Related Compound A)

CAS: 38002-18-5

Formula: C₂₀H₂₂O₃

Molecular weight: 310.39

Ref: 4Z-E-4621

3,17-Dihydroxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-6-one (6-Oxoethinylestradiol; 6-Ketoethinylestradiol)

Controlled Product

CAS: 38002-18-5

Formula: C₂₀H₂₂O₃

Color and Shape: Neat

Molecular weight: 310.39

Ref: 86-MM0123.05

6-Keto Ethynyl Estradiol

Controlled Product

CAS: 38002-18-5

Impurity Ethinylestradiol EP Impurity G
Applications An oxidative tranformation product of Norethindrone Acetate (N675990) and Ethynyl Estradiol (E685100).
References Ekhato, I.V. et al.: Steroids, 67, 165 (2002); Lane. P.A. et al.: J. Pharmac. Sci., 76, 44 (1987);

Formula: C₂₀H₂₂O₃

Color and Shape: Light Yellow To Light Brown

Molecular weight: 310.39

Ref: TR-K188770

Ethinylestradiol EP Impurity G

CAS: 38002-18-5

Formula: C₂₀H₂₂O₃

Molecular weight: 310.4

Ref: ST-EA-CP-E21007