Category
Levonorgestrel
CAS Number
793-55-5
Molecular Formula
C19H28O2
Molecular Weight
288.43
Purity

Not less than-95.0%

Synonym

18-Methylnandrolone; 18-Methyl-19-nortestosterone; 13-Ethyl-17b-hydroxygon-4-en-3-one; 13-ethyl-17β-hydroxygon-4-en-3-one; 18-Methylnandrolone; 13-Ethyl-17-hydroxy-gon-4-en-3-one (As per USP Commenting Opening 51(3));(8R,9S,10R,14S,17S)-13-ethyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta(a)phenanthren-3(2H)-one; 13-Ethyl-17beta-hydroxygon-4-en-3-one;13-ethyl-17beta-hydroxygon-4-en-3-one;13-Ethyl-17beta-hydroxygon-4-en-3-one;13-Ethyl-17-hydroxy-gon-4-en-3-one;18-Methylnandrolone

Keywords
Impurities
Fine Chemicals
Pharmaceutical Standards
Intermediates
Levonorgestrel EP Impurity K

Levonorgestrel EP Impurity K is an impurity listed in the European Pharmacopoeia monograph for levonorgestrel. It is supplied as a reference standard for analytical method development, impurity profiling, and stability testing. Routine monitoring of Impurity K helps ensure levonorgestrel drug substances and finished products meet pharmacopoeial quality requirements and remain safe and compliant with ICH guidelines.