ceftibuten and its Impurities
Ceftibuten is used to treat acute bacterial exacerbations of chronic bronchitis acute bacterial otitis media, pharyngitis, and tonsilitis. It is a third-generation cephalosporin antibiotic.. Reference standards of Ceftibuten API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
(6R,7R)-Benzhydryl 3-hydroxy-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate
(6R,7R)-Benzhydryl 3-hydroxy-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate
Catalogue No.:PA 30 60520
CAS :
51762-51-7
Molecular Formula : C28H26N2O5S
Molecular Weight : 502.58
(6R,7R)-Benzhydryl 3-((methylsulfonyl)oxy)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-Benzhydryl 3-((methylsulfonyl)oxy)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 30 60530
CAS :
92096-37-2
Molecular Formula : C29H26N2O7S2
Molecular Weight : 578.66
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)but-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)but-2-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 30 0601000
CAS :
110630-32-5
Molecular Formula : C14H14N4O4S2
Molecular Weight : 366.41
2-(2-(((Benzyloxy)carbonyl)amino)thiazol-4-yl)-5-((3-methylbut-2-en-1-yl)oxy)-5-oxopent-2-enoic Acid
2-(2-(((Benzyloxy)carbonyl)amino)thiazol-4-yl)-5-((3-methylbut-2-en-1-yl)oxy)-5-oxopent-2-enoic Acid
Catalogue No.:PA 56 0731000
CAS :
115065-79-7
Molecular Formula : C21H22N2O6S
Molecular Weight : 430.48