Lenapenem and its Impurities
Lenapenem is a carbapenem antibiotic, clinical trials against bacterial infections. Reference standards of Lenapenem API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(4R,5S,6S)-3-(But-3-yn-1-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid
(4R,5S,6S)-3-(But-3-yn-1-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid
Catalogue No.:PA 12 2101000
CAS :
2114983-08-1
Molecular Formula : C14H17NO4S
Molecular Weight : 295.35