Ceftaroline Fosamil and its Impurities
Ceftaroline Fosamil is also known as brand name Teflaro and Zinforo. Ceftaroline fosamil is a cephalosporin antibacterial indicated for the treatment of the following infections caused by designated susceptible bacteria: Acute bacterial skin and skin structure infections. Community-acquired bacterial pneumonia. Reference standards of Ceftaroline Fosamil API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(R)-2-((R)-Carboxy((Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)methyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
(R)-2-((R)-Carboxy((Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)methyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
Catalogue No.:PA 03 3551000
CAS :
1286218-63-0
Molecular Formula : C22H23N8O9PS4
Molecular Weight : 702.69
(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-((hydroxy(phosphonooxy)phosphoryl)amino)-1,2,4-thiadiazol-3-yl)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-((hydroxy(phosphonooxy)phosphoryl)amino)-1,2,4-thiadiazol-3-yl)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551001
CAS :
1286218-64-1
Molecular Formula : C22H22N8O11P2S4
Molecular Weight : 764.65
(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PA 03 3551002
CAS :
1286218-72-1
Molecular Formula : C21H19N8O8PS4
Molecular Weight : 670.64
(6R,7R)-7-((Z)-2-(5-Acetamido-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-((Z)-2-(5-Acetamido-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551003
CAS :
1240196-56-8
Molecular Formula : C24H22N8O6S4
Molecular Weight : 646.73
(R)-2-((4Z,8R,11E,17S)-17-Amino-17-carboxy-6,9-dioxo-5-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)-3-oxa-4,7,10,12,13-pentaazaheptadeca-4,11-dien-8-yl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
(R)-2-((4Z,8R,11E,17S)-17-Amino-17-carboxy-6,9-dioxo-5-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)-3-oxa-4,7,10,12,13-pentaazaheptadeca-4,11-dien-8-yl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
Catalogue No.:PA 03 3551005
CAS :
1277090-03-5
Molecular Formula : C28H35N12O10PS4
Molecular Weight : 858.88
(R)-2-((6S,9R,Z)-1-amino-6-carboxy-1-imino-8,11-dioxo-12-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)-14-oxa-2,7,10,13-tetraazahexadec-12-en-9-yl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
(R)-2-((6S,9R,Z)-1-amino-6-carboxy-1-imino-8,11-dioxo-12-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)-14-oxa-2,7,10,13-tetraazahexadec-12-en-9-yl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
Catalogue No.:PA 03 3551006
CAS :
1277090-04-6
Molecular Formula : C28H35N12O10PS4
Molecular Weight : 858.88
(6R,7R)-7-((E)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-((E)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551007
CAS :
953037-71-3
Molecular Formula : C22H20N8O5S4
Molecular Weight : 604.69
(R)-2-((R)-2-Amino-1-((Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-2-oxoethyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
(R)-2-((R)-2-Amino-1-((Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-2-oxoethyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
Catalogue No.:PA 03 3551009
CAS :
NA
Molecular Formula : C22H24N9O8PS4
Molecular Weight : 701.7
(6R,7R)-7-Amino-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-Amino-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551010
CAS :
189345-52-6
Molecular Formula : C16H14N4O3S3
Molecular Weight : 406.49
(6R,7R)-7-((E)-2-(Ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-((E)-2-(Ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551012
CAS :
953037-68-8
Molecular Formula : C22H21N8O8PS4
Molecular Weight : 684.67
(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-3-hydroxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-3-hydroxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PA 03 3551013
CAS :
NA
Molecular Formula : C13H15N6O9PS2
Molecular Weight : 494.39
(6R,7R)-Benzhydryl 8-oxo-7-(2-phenylacetamido)-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-Benzhydryl 8-oxo-7-(2-phenylacetamido)-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551014
CAS :
400827-68-1
Molecular Formula : C36H28N4O4S3
Molecular Weight : 676.82
3(6R,7R)-Hydroxy-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Diphenylmethyl Ester
3(6R,7R)-Hydroxy-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Diphenylmethyl Ester
Catalogue No.:PA 03 3551016
CAS :
54639-48-4
Molecular Formula : C28H24N2O5S
Molecular Weight : 500.57
Benzhydryl (6R,7R)-3,8-dioxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate
Benzhydryl (6R,7R)-3,8-dioxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate
Catalogue No.:PA 03 3551017
CAS :
51761-81-0
Molecular Formula : C28H24N2O5S
Molecular Weight : 500.57
4-(2-(((6R,7R)-7-Amino-2-((benzhydryloxy)carbonyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)thio)thiazol-4-yl)-1-methylpyridin-1-ium chloride
4-(2-(((6R,7R)-7-Amino-2-((benzhydryloxy)carbonyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)thio)thiazol-4-yl)-1-methylpyridin-1-ium chloride
Catalogue No.:PA 03 3551018
CAS :
593247-83-7
Molecular Formula : C29H25ClN4O3S3
Molecular Weight : 609.17
Benzhydryl (6R,7R)-7-amino-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Benzhydryl (6R,7R)-7-amino-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551019
CAS :
400827-58-9
Molecular Formula : C28H22N4O3S3
Molecular Weight : 558.09
(6R,7R)-7-Amino-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-Amino-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PA 03 3551020
CAS :
1809412-65-4
Molecular Formula : C15H12N4O3S3
Molecular Weight : 392.47
(R)-2-((R)-((Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)(carboxy)methyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
(R)-2-((R)-((Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)(carboxy)methyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
Catalogue No.:PA 03 3551021
CAS :
1286218-70-9
Molecular Formula : C22H22N8O6S4
Molecular Weight : 622.71
(6R,7R)-7-((Z)-2-(5-(((((6R,7R)-2-Carboxylato-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)amino)(hydroxy)phosphoryl)amino)-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-((Z)-2-(5-(((((6R,7R)-2-Carboxylato-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)amino)(hydroxy)phosphoryl)amino)-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 3551024
CAS :
NA
Molecular Formula : C38H33N12O10PS7
Molecular Weight : 1073.15
4-(2-(((6R,7R)-7-Amino-2-((benzhydryloxy)carbonyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)thio)thiazol-4-yl)-1-methylpyridin-1-ium Chloride Hydrochloride
4-(2-(((6R,7R)-7-Amino-2-((benzhydryloxy)carbonyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)thio)thiazol-4-yl)-1-methylpyridin-1-ium Chloride Hydrochloride
Catalogue No.:PA 03 3551026
CAS :
400827-72-7
Molecular Formula : C29H26Cl2N4O3S3
Molecular Weight : 645.63