CAS 16669-06-0

Dienogest EP Impurity H

CAS: 16669-06-0

Formula: C₂₀H₂₅NO₂

Color and Shape: White To Off-White Solid

Molecular weight: 311.43

Ref: 4Z-D-4215

17α-​Cyanomethylestra-​1,​3,​5(10)​-​triene-​3,​17β-​diol

Controlled Product

CAS: 16669-06-0

Applications 17α-​Cyanomethylestra-​1,​3,​5(10)​-​triene-​3,​17β-​diol is an impurity of Dienogest (D441870), a derivative of 19-Nortestosterone. In combination with estrogen as oral contraceptive. Progestogen.
References Hubner, M., et al.: Arzneim.-Forsch., 30, 401 (1980), Spona, J., et al.: Contraception, 56, 185 (1997), Foster, R.H., et al.: Drugs, 56, 825 (1998),

Formula: C₂₀H₂₅NO₂

Color and Shape: Neat

Molecular weight: 311.418

Ref: TR-C999283

Dienogest EP Impurity H

CAS: 16669-06-0

Formula: C₂₀H₂₅NO₂

Molecular weight: 311.4

Ref: ST-EA-CP-D37008