Biapenem and its Impurities
Biapenem has been used in trials studying the treatment of Bacterial Infections. It is a carbapenem antibiotic.Reference standards of Biapenem API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(4R,5S)-5-((1S,2R)-1-Carboxy-2-hydroxypropyl)-3-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylate
(4R,5S)-5-((1S,2R)-1-Carboxy-2-hydroxypropyl)-3-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylate
Catalogue No.:PA 02 1821000
CAS :
2524614-58-0
Molecular Formula : C15H20N4O5S
Molecular Weight : 368.41


(4R,5S)-5-((1S,2R)-1-Carboxy-2-hydroxypropyl)-3-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-1-formyl-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylate
(4R,5S)-5-((1S,2R)-1-Carboxy-2-hydroxypropyl)-3-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-1-formyl-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylate
Catalogue No.:PA 02 1821001
CAS :
2524614-59-1
Molecular Formula : C16H20N4O6S
Molecular Weight : 396.42


(2S,3R)-2-((1S,2R)-1-Carboxy-2-hydroxypropyl)-4-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-3-methyl-3,4-dihydro-2H-pyrrole-5-carboxylate
(2S,3R)-2-((1S,2R)-1-Carboxy-2-hydroxypropyl)-4-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-3-methyl-3,4-dihydro-2H-pyrrole-5-carboxylate
Catalogue No.:PA 02 1821004
CAS :
2221001-74-5
Molecular Formula : C15H20N4O5S
Molecular Weight : 368.41