CAS 2257421-80-8

Progesterone EP Impurity L

CAS: 2257421-80-8

Formula: C₂₂H₃₀O₂

Color and Shape: Off-White Solid

Molecular weight: 326.48

Ref: 4Z-P-3219

∆-5(6)-Gestodene (>90%)

Controlled Product

CAS: 2257421-80-8

Stability Light Sensitive, Temperature Sensitive
Applications 20-Methylidene-3-oxopregn-4-en-21-al is an impurity of Gestodene (G368250), an orally active steroid that exhibits progesterone (P755900) -like profile of activity. Gestodene have been used in combination with estrogen as an oral contraceptive.
References Duesterberg, B., et al.: Contraception, 24, 673 (1981); Duesterberg, B., et al.: Seroids, 43, 43 (1984); Losert, W., et al.: Arzneim.-Forsch., 35, 459 (1985);

Formula: C₂₁H₂₆O₂

Purity: >90%

Color and Shape: Neat

Molecular weight: 310.43

Ref: TR-G368245

L-20-Methylene-pregn-4-ene-3,2,1-dione

Controlled Product

CAS: 2257421-80-8

Formula: C₂₂H₃₀O₂

Color and Shape: Neat

Molecular weight: 326.47

Ref: TR-M329110

Progesterone EP Impurity L

CAS: 2257421-80-8

Formula: C₂₂H₃₀O₂

Molecular weight: 326.5

Ref: ST-EA-CP-P133012