cefetamet and its Impurities
Cefetamet used to treat certain infections of the lungs, urinary tract, ears, etc. It is a broad spectrum antibiotic. Reference standards of Cefetamet API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((hydroxymethyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((hydroxymethyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 23510
CAS :
1705612-80-1
Molecular Formula : C21H27N5O8S2
Molecular Weight : 541.59


(6R,7R)-7-((Z)-2-(Methoxyimino)-2-(2-(((pivaloyloxy)methyl)amino)thiazol-4-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-((Z)-2-(Methoxyimino)-2-(2-(((pivaloyloxy)methyl)amino)thiazol-4-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 23520
CAS :
NA
Molecular Formula : C20H25N5O7S2
Molecular Weight : 511.57


(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(methoxyimino)-2-(2-pivalamidothiazol-4-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(methoxyimino)-2-(2-pivalamidothiazol-4-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 23530
CAS :
1705612-87-8
Molecular Formula : C25H33N5O8S2
Molecular Weight : 595.69


bis((Pivaloyloxy)methyl) 7,7'-(((2Z,2'Z)-2,2'-((methylenebis(azanediyl))bis(thiazole-2,4-diyl))bis(2-(methoxyimino)acetyl))bis(azanediyl))(6R,6'R,7R,7'R)-bis(3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate)
bis((Pivaloyloxy)methyl) 7,7'-(((2Z,2'Z)-2,2'-((methylenebis(azanediyl))bis(thiazole-2,4-diyl))bis(2-(methoxyimino)acetyl))bis(azanediyl))(6R,6'R,7R,7'R)-bis(3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate)
Catalogue No.:PA 03 23540
CAS :
1705612-85-6
Molecular Formula : C41H50N10O14S4
Molecular Weight : 1035.15