Category
Levonorgestrel
CAS Number
1337972-89-0
Molecular Formula
C23H28O
Molecular Weight
320.47
Purity

Not less than-95.0%

Synonym

13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol; (8R,9S,10R,13S,14S,17R)-13-Ethyl-3,17-diethynyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol; 3-Ethynyl levonorgestrel-3,5-diene; 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregn-3,5-dien-20-yn-17-ol (As per USP Commenting Opening 51(3))

Keywords
Impurities
Fine Chemicals
Pharmaceutical Standards
Intermediates
Levonorgestrel EP Impurity C

Levonorgestrel EP Impurity C is a specified impurity in the European Pharmacopoeia related to levonorgestrel. It is used as a reference standard in analytical methods for impurity profiling, method validation, and stability studies. Its detection and quantification are essential to ensure the quality, safety, and compliance of levonorgestrel drug substances and finished products.