Category
Levonorgestrel
CAS Number
NA
Molecular Formula
C22H26O3
Molecular Weight
338.5
Purity

Not less than-95.0%

Synonym

13-ethyl-3-methoxy-7,11,12,13,16,17-hexahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

Keywords
Impurities
Intermediates
Pharmaceutical Standards
Steroids
Levonorgestrel Cyclization Impurity

Levonorgestrel Cyclization Impurity is an impurity formed through intramolecular cyclization reactions during the synthesis or degradation of levonorgestrel. This results in a structurally altered steroid framework, often involving ether or lactone ring formation.