cefuroxime and its Impurities
Cefuroxime is sold under the brand name Zinacef among others, is an antibiotic used to treat and prevent a number of bacterial infections.. Reference standards of Cefuroxime API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
(αZ)-α-(Methoxyimino)-N-[(5aR,6R)-1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-2-furanacetamide-d3
(αZ)-α-(Methoxyimino)-N-[(5aR,6R)-1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-2-furanacetamide-d3
Catalogue No.:PA STI 059450
CAS :
NA
Molecular Formula : C15H10D3N3O6S
Molecular Weight : 366.36
Cefuroxime Axetil E-isomers (1RS,6R,7R)-1-Acetoxyethyl 3-[(carbamoyloxy)methyl]-7-[(E)-2-(furan-2-y (1098253)
Cefuroxime Axetil E-isomers (1RS,6R,7R)-1-Acetoxyethyl 3-[(carbamoyloxy)methyl]-7-[(E)-2-(furan-2-y (1098253)
Catalogue No.:PA USP1098253
CAS :
97232-96-7
Molecular Formula : NA
Molecular Weight : NA
(Z)-3-(Acetoxymethyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(Z)-3-(Acetoxymethyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PAI 03 010010
CAS :
NA
Molecular Formula : C17H17N3O8S
Molecular Weight : 423.40
(Z)-1-Acetoxyethyl 3-(acetoxymethyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(Z)-1-Acetoxyethyl 3-(acetoxymethyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 010020
CAS :
NA
Molecular Formula : C21H23N3O10S
Molecular Weight : 509.50
(E)-1-Acetoxyethyl 3-(acetoxymethyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(E)-1-Acetoxyethyl 3-(acetoxymethyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 010030
CAS :
NA
Molecular Formula : C21H23N3O10S
Molecular Weight : 509.50
(E)-1-Acetoxyethyl 3-((carbamoyloxy)methyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(E)-1-Acetoxyethyl 3-((carbamoyloxy)methyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 010040
CAS :
NA
Molecular Formula : C20H22N4O10S
Molecular Weight : 510.50
(E)-3-((Carbamoyloxy)methyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(E)-3-((Carbamoyloxy)methyl)-7-(2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PAI 03 010050
CAS :
NA
Molecular Formula : C16H16N4O8S
Molecular Weight : 424.40
(6S,7S)-3-(Hydroxymethyl)-7-((Z)-3-methoxy-2-(methoxyimino)but-3-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6S,7S)-3-(Hydroxymethyl)-7-((Z)-3-methoxy-2-(methoxyimino)but-3-enamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PAI 03 010060
CAS :
NA
Molecular Formula : C14H17N3O7S
Molecular Weight : 371.37
(6R,7R)-7-((Z)-2-(Furan-2-yl)-2-(methoxyimino)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid
(6R,7R)-7-((Z)-2-(Furan-2-yl)-2-(methoxyimino)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid
Catalogue No.:PA 03 32540
CAS :
NA
Molecular Formula : C15H15N3O7S
Molecular Weight : 381.36
(R)-5-(Aminomethyl)-2-((R)-carboxy((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
(R)-5-(Aminomethyl)-2-((R)-carboxy((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
Catalogue No.:PA 03 0321000
CAS :
NA
Molecular Formula : C15H18N4O7S
Molecular Weight : 398.39
(6R,7R)-7-((E)-2-(Furan-2-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-((E)-2-(Furan-2-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PA 03 0321001
CAS :
75044-85-8
Molecular Formula : C15H15N3O6S
Molecular Weight : 365.36
(6R,7R)-3-((Carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
(6R,7R)-3-((Carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
Catalogue No.:PA 03 0321003
CAS :
229499-08-5
Molecular Formula : C16H16N4O8S
Molecular Weight : 424.38
Methyl (6R,7R)-3-((carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Methyl (6R,7R)-3-((carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 0321004
CAS :
1700623-77-3
Molecular Formula : C17H18N4O8S
Molecular Weight : 438.41
1-[[(6R,7R)-7-[[(2Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-[2-[(2-chloro-3,4-dihydroxybenzoyl)amino]ethyl]-pyrrolidinium Inner Salt
1-[[(6R,7R)-7-[[(2Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-[2-[(2-chloro-3,4-dihydroxybenzoyl)amino]ethyl]-pyrrolidinium Inner Salt
Catalogue No.:PA 03 0321002
CAS :
1225208-43-4
Molecular Formula : C29H33ClN8O10S2
Molecular Weight : 753.2
Sodium (R)-2-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetate
Sodium (R)-2-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetate
Catalogue No.:PA 03 0321009
CAS :
NA
Molecular Formula : C15H14N3NaO7S
Molecular Weight : 403.34
Sodium 2-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetate
Sodium 2-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetate
Catalogue No.:PA 03 0321010
CAS :
NA
Molecular Formula : C15H14N3NaO7S
Molecular Weight : 403.34
(6R,7R)-7-(5-Carboxy-5-hydroxypentanamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-(5-Carboxy-5-hydroxypentanamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 0321013
CAS :
333772-43-3
Molecular Formula : C14H18N2O7S
Molecular Weight : 358.37
1-Acetoxyethyl (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
1-Acetoxyethyl (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 03 0981002
CAS :
NA
Molecular Formula : C21H23N3O10S
Molecular Weight : 509.49
(6R)-3-(Acetoxymethyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R)-3-(Acetoxymethyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PAI 03 032001
CAS :
NA
Molecular Formula : C17H17N3O8S
Molecular Weight : 423.4
((6R)-2-((1-Acetoxyethoxy)(hydroxy)methyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl Acetate
((6R)-2-((1-Acetoxyethoxy)(hydroxy)methyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl Acetate
Catalogue No.:PAI 03 032002
CAS :
NA
Molecular Formula : C21H25N3O10S
Molecular Weight : 511.5
((6R,7R)-2-((1-Acetoxyethoxy)(hydroxy)methyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl Acetate
((6R,7R)-2-((1-Acetoxyethoxy)(hydroxy)methyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl Acetate
Catalogue No.:PAI 03 032003
CAS :
NA
Molecular Formula : C21H25N3O10S
Molecular Weight : 511.5
Trimethylsilyl (6R,7R)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Trimethylsilyl (6R,7R)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PAI 03 032004
CAS :
55633-18-6
Molecular Formula : C13H20N2O5SSi
Molecular Weight : 344.46
