Category
Levonorgestrel
CAS Number
87585-03-3
Molecular Formula
C21H28O3
Molecular Weight
328.45
Purity

Not less than-95.0%

Synonym

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

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

Levonorgestrel EP Impurity G is a recognized impurity listed in the European Pharmacopoeia for levonorgestrel. It is used as a reference standard in analytical method development, impurity profiling, and stability testing. Monitoring this impurity is essential to ensure that levonorgestrel drug substances and finished products meet regulatory quality and safety standards as per EP and ICH guidelines.