Category
Levonorgestrel
CAS Number
21508-50-9
Molecular Formula
C21H28O3
Molecular Weight
328.45
Purity

Not less than-95.0%

Synonym

(8S,9S,10S,13S,14S,17R)-13-Ethyl-17-ethynyl-10,17-dihydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one;10β-Hydroxy D-(-)-Norgestrel

Keywords
Metabolites.
Impurities
Intermediates
Fine Chemicals
Levonorgestrel EP Impurity I

Levonorgestrel EP Impurity I is a listed impurity in the European Pharmacopoeia for levonorgestrel. It is used as a reference standard in analytical methods such as HPLC for impurity profiling, stability testing, and method validation. Monitoring this impurity helps ensure the quality, safety, and regulatory compliance of levonorgestrel active pharmaceutical ingredients (APIs) and finished dosage forms.