Cefcapene Pivoxil and its Impurities
Cefcapene Pivoxil is a third-generation cephalosporin antibiotic. It is used to treat a wide variety of bacterial infections. Reference standards of Cefcapene Pivoxil API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-(tert-butylamino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-(tert-butylamino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 4541005
CAS :
NA
Molecular Formula : C27H37N5O8S2
Molecular Weight : 623.74


(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-(tert-butylamino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-(tert-butylamino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 4541004
CAS :
NA
Molecular Formula : C27H37N5O8S2
Molecular Weight : 623.74


(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 4541007
CAS :
NA
Molecular Formula : C28H37N5O10S2
Molecular Weight : 667.75


(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 4541008
CAS :
NA
Molecular Formula : C27H36N4O8S2
Molecular Weight : 608.73


(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 4541009
CAS :
NA
Molecular Formula : C22H28N4O6S2
Molecular Weight : 508.61


(6R,7R)-3-(Acetoxymethyl)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-3-(Acetoxymethyl)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 4541010
CAS :
107185-27-3
Molecular Formula : C23H28N4O8S2
Molecular Weight : 552.62


(Pivaloyloxy)methyl (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 4541011
CAS :
105889-78-9
Molecular Formula : C29H38N4O10S2
Molecular Weight : 666.76


(Pivaloyloxy)methyl (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 4541012
CAS :
105889-43-8
Molecular Formula : C24H30N4O8S2
Molecular Weight : 566.64