CAS 19637-28-6

Norethindrone Impurity 21 (δ 5(10)-Norethindrone Acetate)

CAS: 19637-28-6

Formula: C₂₂H₂₈O₃

Color and Shape: White To Off-White Solid

Molecular weight: 340.46

Ref: 4Z-N-2910

Δ-5(10)-Norethindrone Acetate

Controlled Product

CAS: 19637-28-6

Impurity Norethindrone Acetate EP Impurity B
Applications Δ-5(10)-Norethindrone Acetate (Norethindrone Acetate EP Impurity B) is a Norethindrone Acetate (N675990) impurity. Used in studies of progesterone-binding properties of purified uteroglobin-like protein.
References Beato, M. et al.: J. Reprod. Fert., 53, 305 (1978); Schroff, A. P., et al.: Anal. Profiles Drug Subs., 4, 268 (1975); Singh, H., et al.: Am. J. Obstet. Gynecol., 135, 409 (1979);

Formula: C₂₂H₂₈O₃

Color and Shape: Off-White

Molecular weight: 340.46

Ref: TR-N675995

Norethindrone Acetate EP Impurity B

CAS: 19637-28-6

Formula: C₂₂H₂₈O₃

Molecular weight: 340.46

Ref: ST-EA-CP-N52002