cefadroxil and its Impurities
Cefadroxil is used to treat a wide variety of bacterial infections. It is a bactericidal antibiotic. Reference standards of Cefadroxil API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(6R,7R)-7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 19550
CAS :
NA
Molecular Formula : C17H19N3O6S
Molecular Weight : 393.41
Cefadroxil Related Compound D ((6R,7R)-7-[(S)-2-Amino-2-(4-hydroxyphenyl)acetamido]-3-methyl-8-oxo- (1097148)
Cefadroxil Related Compound D ((6R,7R)-7-[(S)-2-Amino-2-(4-hydroxyphenyl)acetamido]-3-methyl-8-oxo- (1097148)
Catalogue No.:PA USP1097148
CAS :
144790-28-3
Molecular Formula : NA
Molecular Weight : NA
Cefadroxil Related Compound I ((6R,7R)-7-[(R)-2-amino-2-(4-hydroxyphenyl)acetamido]-3-methyl-8-oxo- (1097192)
Cefadroxil Related Compound I ((6R,7R)-7-[(R)-2-amino-2-(4-hydroxyphenyl)acetamido]-3-methyl-8-oxo- (1097192)
Catalogue No.:PA USP1097192
CAS :
147103-94-4
Molecular Formula : NA
Molecular Weight : NA
Cefadroxil Related Compound B ((6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2 (1097126)
Cefadroxil Related Compound B ((6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2 (1097126)
Catalogue No.:PA USP1097126
CAS :
22252-43-3
Molecular Formula : NA
Molecular Weight : NA
Cefadroxil - Impurity F
(6R,7R)-7-[[(2R)-2-[[(2RS)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 19060
CAS :
147103-95-5
Molecular Formula : C24H24N4O7S
Molecular Weight : 512.54
(6R,7R)-7-((R)-2-((S)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-((R)-2-((S)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 19590
CAS :
NA
Molecular Formula : C24H24N4O7S
Molecular Weight : 512.54
(6R,7R)-7-((S)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 5-oxide
(6R,7R)-7-((S)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 5-oxide
Catalogue No.:PA 03 19600
CAS :
NA
Molecular Formula : C16H17N3O6S
Molecular Weight : 379.39
(6R,7R)-7-((R)-2-((Ethoxycarbonyl)amino)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-((R)-2-((Ethoxycarbonyl)amino)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 19610
CAS :
NA
Molecular Formula : C19H21N3O7S
Molecular Weight : 435.45
(6R,7R)-7-((Ethoxycarbonyl)amino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-((Ethoxycarbonyl)amino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 19620
CAS :
72820-16-7
Molecular Formula : C11H14N2O5S
Molecular Weight : 286.3
7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PAI 03 033010
CAS :
NA
Molecular Formula : C17H17N3O5S
Molecular Weight : 375.40
(6R,7R)-7-((R)-2-(((Benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-((R)-2-(((Benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PAI 03 033020
CAS :
744150-70-7
Molecular Formula : C32H29N3O9S
Molecular Weight : 631.66
Benzyl (6R,7R)-7-((R)-2-((6R,7R)-7-((R)-2-(((benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Benzyl (6R,7R)-7-((R)-2-((6R,7R)-7-((R)-2-(((benzyloxy)carbonyl)amino)-2-(4-(((benzyloxy)carbonyl)oxy)phenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 033030
CAS :
NA
Molecular Formula : C55H50N6O13S2
Molecular Weight : 1067.15
Benzyl (6R,7R)-7-((R)-2-(4-(benzyloxy)phenyl)-2-(((Z)-4-methoxy-4-oxobut-2-en-2-yl)amino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Benzyl (6R,7R)-7-((R)-2-(4-(benzyloxy)phenyl)-2-(((Z)-4-methoxy-4-oxobut-2-en-2-yl)amino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 033040
CAS :
NA
Molecular Formula : C35H35N3O7S
Molecular Weight : 641.74
Benzyl (6R,7R)-7-((R)-2-amino-2-(4-(benzyloxy)phenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Benzyl (6R,7R)-7-((R)-2-amino-2-(4-(benzyloxy)phenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 033050
CAS :
NA
Molecular Formula : C30H29N3O5S
Molecular Weight : 543.64
(6R)-2-Amino-7-(2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid 5-oxide
(6R)-2-Amino-7-(2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid 5-oxide
Catalogue No.:PA 03 0191000
CAS :
NA
Molecular Formula : C16H20N4O6S
Molecular Weight : 396.42
2-((2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5-methyl-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
2-((2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5-methyl-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
Catalogue No.:PA 03 0191003
CAS :
147103-96-6
Molecular Formula : C16H19N3O6S
Molecular Weight : 381.4
