Category
Levonorgestrel
CAS Number
21800-83-9
Molecular Formula
C19H26O2
Molecular Weight
286.41
Purity

Not less than-95.0%

Synonym

D-Ethyl Gonendione; 13-Ethyl-gon-4-ene-3,17-dione; (+)-13-Ethylgon-4-ene-3,17-dione; (+)-13-β-Ethylgon-4-ene-3,17-dione; 18-Methyl-19-norandrost-4-ene-3,17-dione; 18-Methylestr-4-ene-3,17-dione; 13-Ethylgon-4-ene-3,17-dione; Norgestrel Related Compound L; Ethylgon-4-ene-3,17-dione; 13-Ethylgon-4-ene-3,17-dione ; (8R,9S,10R,13S,14S)-13-ethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3H-cyclopenta[a]phenanthrene-3,17(2H)-dione 13-ethylgon-4-ene-3,17-dione (levodione); (8R,9S,10R,13S,14S)-13-ethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione

Keywords
Intermediates
Impurities
Fine Chemicals
Pharmaceutical Standards
Levonorgestrel EP Impurity L

Levonorgestrel EP Impurity L is a designated impurity included in the European Pharmacopoeia monograph for levonorgestrel. It is used as a reference standard in the development and validation of analytical methods, especially for impurity profiling and stability testing. Monitoring this impurity ensures that levonorgestrel-based drug substances and products meet required quality and safety standards as per regulatory guidelines.