Category
Levonorgestrel
CAS Number
32419-58-2
Molecular Formula
C21H30O
Molecular Weight
298.23
Purity

Not less than-95.0%298.23

Synonym

(17α)-13-Ethyl-18,19-dinorpregn-4-en-20-yn-17-ol; (8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol; 3-Deoxolevonorgestrel; Deoxolevonorgestrel; 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (As per USP Commenting Opening 51(3)); 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol(Levo Norgestrel Impurity)

Keywords
Impurities
Intermediates & Fine Chemicals.
Pharmaceutical Standards
Levonorgestrel EP Impurity D

Levonorgestrel EP Impurity D is an officially listed impurity in the European Pharmacopoeia (EP) monograph for levonorgestrel. It is used as a reference standard in analytical methods such as HPLC for impurity profiling, stability studies, and method validation. Its presence is monitored to ensure the quality, safety, and regulatory compliance of levonorgestrel drug substances and formulations.