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Pharmaceutical Reference Standards

Cefixime Trihydrate

Picture of Cefixime Trihydrate
CAT No: SZ-C081001
CAS No: 125110-14-7
Mol.F. : C16H15N5O7S2 : 3(H2O)
Mol.Wt. : 453.4 : 3(18.0)
Inv. Status: In Stock
Rel. CAS No : 79350-37-1 (free base)
SZ-C081001
CAS No:125110-14-7
Mol.F.: C16H15N5O7S2 : 3(H2O)
Mol.Wt.: 453.4 : 3(18.0)
Inv. Status: In Stock
Rel. CAS No : 79350-37-1 (free base)

Cefixime EP Impurity A

Picture of Cefixime EP Impurity A
CAT No: SZ-C081002
CAS No: 1614255-90-1
Mol.F. : C16H17N5O8S2
Mol.Wt. : 471.5
Inv. Status: In Stock
SZ-C081002
CAS No:1614255-90-1
Mol.F.: C16H17N5O8S2
Mol.Wt.: 471.5
Inv. Status: In Stock

Cefixime EP Impurity C

Picture of Cefixime EP Impurity C
CAT No: SZ-C081004
CAS No: 108691-83-4
Mol.F. : C16H15N5O7S2
Mol.Wt. : 453.4
Inv. Status: In Stock
Rel. CAS No : 124506-28-1 (Disodium salt)
SZ-C081004
CAS No:108691-83-4
Mol.F.: C16H15N5O7S2
Mol.Wt.: 453.4
Inv. Status: In Stock
Rel. CAS No : 124506-28-1 (Disodium salt)

Cefixime EP Impurity D

Picture of Cefixime EP Impurity D
CAT No: SZ-C081005
CAS No: 97164-56-2
Mol.F. : C16H15N5O7S2
Mol.Wt. : 453.4
Inv. Status: In Stock, 3-4 days for Dispatch
Rel. CAS No : 79369-28-1 (HCl salt) ; 1202055-17-1 (Na salt) ; 1202055-18-2 (K salt) ; 210702-16-2 (Sulfate)
SZ-C081005
CAS No:97164-56-2
Mol.F.: C16H15N5O7S2
Mol.Wt.: 453.4
Inv. Status: In Stock, 3-4 days for Dispatch
Rel. CAS No : 79369-28-1 (HCl salt) ; 1202055-17-1 (Na salt) ; 1202055-18-2 (K salt) ; 210702-16-2 (Sulfate)

Cefixime EP Impurity E

Picture of Cefixime EP Impurity E
CAT No: SZ-C081006
CAS No: 72701-01-0
Mol.F. : C15H15N5O7S2
Mol.Wt. : 441.4
Inv. Status: In Stock
Rel. CAS No : 72701-09-8 (2Na salt) ; 1582788-38-2 (2K salt)
SZ-C081006
CAS No:72701-01-0
Mol.F.: C15H15N5O7S2
Mol.Wt.: 441.4
Inv. Status: In Stock
Rel. CAS No : 72701-09-8 (2Na salt) ; 1582788-38-2 (2K salt)

Cefixime EP Impurity F

Picture of Cefixime EP Impurity F
CAT No: SZ-C081007
CAS No: 79368-95-9
Mol.F. : C18H19N5O7S2
Mol.Wt. : 481.5
Inv. Status: In Stock
SZ-C081007
CAS No:79368-95-9
Mol.F.: C18H19N5O7S2
Mol.Wt.: 481.5
Inv. Status: In Stock

Cefixime Methyl Ester

Picture of Cefixime Methyl Ester
CAT No: SZ-C081008
CAS No: 88621-01-6
Mol.F. : C17H17N5O7S2
Mol.Wt. : 467.5
Inv. Status: Custom Synthesis
SZ-C081008
CAS No:88621-01-6
Mol.F.: C17H17N5O7S2
Mol.Wt.: 467.5
Inv. Status: Custom Synthesis

Cefixime Impurity (7-AVCA)

Picture of Cefixime Impurity (7-AVCA)
CAT No: SZ-C081009
CAS No: 79349-82-9
Mol.F. : C9H10N2O3S
Mol.Wt. : 226.3
Inv. Status: In Stock
Rel. CAS No : 188128-13-4 (K salt)
SZ-C081009
CAS No:79349-82-9
Mol.F.: C9H10N2O3S
Mol.Wt.: 226.3
Inv. Status: In Stock
Rel. CAS No : 188128-13-4 (K salt)

Cefixime Sulfoxide

Picture of Cefixime Sulfoxide
CAT No: SZ-C081010
CAS No: 1335555-87-7
Mol.F. : C16H15N5O8S2
Mol.Wt. : 469.4
Inv. Status: Custom Synthesis
SZ-C081010
CAS No:1335555-87-7
Mol.F.: C16H15N5O8S2
Mol.Wt.: 469.4
Inv. Status: Custom Synthesis

Cefixime Sulfone

Picture of Cefixime Sulfone
CAT No: SZ-C081011
CAS No: NA
Mol.F. : C16H15N5O9S2
Mol.Wt. : 485.5
Inv. Status: Custom Synthesis
SZ-C081011
CAS No:NA
Mol.F.: C16H15N5O9S2
Mol.Wt.: 485.5
Inv. Status: Custom Synthesis

Cefixime Tert-Butyl Ester

Picture of Cefixime Tert-Butyl Ester
CAT No: SZ-C081012
CAS No: 79368-92-6
Mol.F. : C20H23N5O7S2
Mol.Wt. : 509.6
Inv. Status: In Stock
Rel. CAS No : 210702-13-9 (Sulfate)
SZ-C081012
CAS No:79368-92-6
Mol.F.: C20H23N5O7S2
Mol.Wt.: 509.6
Inv. Status: In Stock
Rel. CAS No : 210702-13-9 (Sulfate)

Cefixime EP Impurity B

Picture of Cefixime EP Impurity B
CAT No: SZ-C081013
CAS No: NA
Mol.F. : C15H17N5O6S2
Mol.Wt. : 427.5
Inv. Status: In Stock
SZ-C081013
CAS No:NA
Mol.F.: C15H17N5O6S2
Mol.Wt.: 427.5
Inv. Status: In Stock

Cefixime Impurity 1

Picture of Cefixime Impurity 1
CAT No: SZ-C081014
CAS No: 80544-17-8
Mol.F. : C8H9N3O5S
Mol.Wt. : 259.2
Inv. Status: Custom Synthesis
SZ-C081014
CAS No:80544-17-8
Mol.F.: C8H9N3O5S
Mol.Wt.: 259.2
Inv. Status: Custom Synthesis

Cefixime

Picture of Cefixime
CAT No: SZ-C081015
CAS No: 79350-37-1
Mol.F. : C16H15N5O7S2
Mol.Wt. : 453.4
Inv. Status: Custom Synthesis
SZ-C081015
CAS No:79350-37-1
Mol.F.: C16H15N5O7S2
Mol.Wt.: 453.4
Inv. Status: Custom Synthesis

Cefixime Impurity 2

Picture of Cefixime Impurity 2
CAT No: SZ-C081016
CAS No: 108636-27-7
Mol.F. : C16H15N5O7S2
Mol.Wt. : 453.4
Inv. Status: Custom Synthesis
SZ-C081016
CAS No:108636-27-7
Mol.F.: C16H15N5O7S2
Mol.Wt.: 453.4
Inv. Status: Custom Synthesis

Cefixime Impurity 3

Picture of Cefixime Impurity 3
CAT No: SZ-C081017
CAS No: 128012-77-1
Mol.F. : C16H15N5O7S2
Mol.Wt. : 453.4
Inv. Status: Custom Synthesis
SZ-C081017
CAS No:128012-77-1
Mol.F.: C16H15N5O7S2
Mol.Wt.: 453.4
Inv. Status: Custom Synthesis

Cefixime Impurity 4

Picture of Cefixime Impurity 4
CAT No: SZ-C081018
CAS No: NA
Mol.F. : C16H15N5O7S2
Mol.Wt. : 453.4
Inv. Status: Custom Synthesis
SZ-C081018
CAS No:NA
Mol.F.: C16H15N5O7S2
Mol.Wt.: 453.4
Inv. Status: Custom Synthesis

Cefixime Impurity 5

Picture of Cefixime Impurity 5
CAT No: SZ-C081019
CAS No: NA
Mol.F. : C16H15N5O7S2
Mol.Wt. : 453.4
Inv. Status: Custom Synthesis
SZ-C081019
CAS No:NA
Mol.F.: C16H15N5O7S2
Mol.Wt.: 453.4
Inv. Status: Custom Synthesis

Cefixime Cefazoloic Acid Isomer

Picture of Cefixime Cefazoloic Acid Isomer
CAT No: SZ-C081020
CAS No: NA
Mol.F. : C16H17N5O8S2
Mol.Wt. : 471.5
Inv. Status: In Stock
SZ-C081020
CAS No:NA
Mol.F.: C16H17N5O8S2
Mol.Wt.: 471.5
Inv. Status: In Stock

N-Acetyl Cefixime

Picture of N-Acetyl Cefixime
CAT No: SZ-C081030
CAS No: NA
Mol.F. : C18H17N5O8S2
Mol.Wt. : 495.5
Inv. Status: Custom Synthesis
SZ-C081030
CAS No:NA
Mol.F.: C18H17N5O8S2
Mol.Wt.: 495.5
Inv. Status: Custom Synthesis

Cefixime Impurity 6

Picture of Cefixime Impurity 6
CAT No: SZ-C081031
CAS No: NA
Mol.F. : C15H15N5O6S2
Mol.Wt. : 425.4
Inv. Status: Custom Synthesis
SZ-C081031
CAS No:NA
Mol.F.: C15H15N5O6S2
Mol.Wt.: 425.4
Inv. Status: Custom Synthesis

Cefixime Impurity 6

Picture of Cefixime Impurity 6
CAT No: SZ-C081036
CAS No: NA
Mol.F. : C22H25N5O12S2
Mol.Wt. : 615.6
Inv. Status: Custom Synthesis
SZ-C081036
CAS No:NA
Mol.F.: C22H25N5O12S2
Mol.Wt.: 615.6
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Cefixime Nitroso Impurity 1

Picture of Cefixime Nitroso Impurity 1
CAT No: SZ-C081032
CAS No: NA
Mol.F. : C16H14N6O8S2
Mol.Wt. : 482.4
Inv. Status: Custom Synthesis
SZ-C081032
CAS No:NA
Mol.F.: C16H14N6O8S2
Mol.Wt.: 482.4
Inv. Status: Custom Synthesis

Cefixime Nitroso Impurity 2

Picture of Cefixime Nitroso Impurity 2
CAT No: SZ-C081033
CAS No: NA
Mol.F. : C16H14N6O8S2
Mol.Wt. : 482.4
Inv. Status: Custom Synthesis
SZ-C081033
CAS No:NA
Mol.F.: C16H14N6O8S2
Mol.Wt.: 482.4
Inv. Status: Custom Synthesis

N Nitroso Cefixime EP Impurity A

Picture of N Nitroso Cefixime EP Impurity A
CAT No: SZ-C081034
CAS No: NA
Mol.F. : C16H16N6O9S2
Mol.Wt. : 500.5
Inv. Status: Custom Synthesis
SZ-C081034
CAS No:NA
Mol.F.: C16H16N6O9S2
Mol.Wt.: 500.5
Inv. Status: Custom Synthesis

N Nitroso Cefixime EP Impurity B

Picture of N Nitroso Cefixime EP Impurity B
CAT No: SZ-C081035
CAS No: NA
Mol.F. : C15H16N6O7S2
Mol.Wt. : 456.4
Inv. Status: Limited Stock
SZ-C081035
CAS No:NA
Mol.F.: C15H16N6O7S2
Mol.Wt.: 456.4
Inv. Status: Limited Stock

Stable Isotopes and Metabolites

Cefixime-13C,15N2

Picture of Cefixime-13C,15N2
CAT No: SZ-C081D01
CAS No: NA
Mol.F. : C1513CH15N315N2O7S2
Mol.Wt. : 456.4
Inv. Status: Custom Synthesis
SZ-C081D01
CAS No:NA
Mol.F.: C1513CH15N315N2O7S2
Mol.Wt.: 456.4
Inv. Status: Custom Synthesis