Pharmaceutical Reference Standards / Impurity Standards

Sulfasalazine
Sulfasalazine
  • CAT. No.S080000
  • CAS. No.599-79-1
  • Mol. F.C18H14N4O5S
  • Mol. W.398.40 g/mol
  • Stock Status:Instock
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Sulfasalazine Impurity F
Sulfasalazine Impurity F
  • CAT. No.S080002
  • CAS. No.66364-71-4
  • Mol. F.C18H14N4O5S
  • Mol. W.398.39 g/mol
  • Stock Status:Instock
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Sulfasalazine EP Impurity C
Sulfasalazine EP Impurity C
  • CAT. No.S080003
  • CAS. No.66030-25-9
  • Mol. F.C18H14N4O3
  • Mol. W.334.33 g/mol
  • Stock Status:Instock
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Sulfasalazine Impurity I
Sulfasalazine Impurity I
  • CAT. No.S080004
  • CAS. No.6054-99-5
  • Mol. F.C13H8N2Na2O6S
  • Mol. W.366.26 g/mol
  • Stock Status:Instock
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6-Methyl Sulfasalazine
6-Methyl Sulfasalazine
  • CAT. No.S080005
  • CAS. No.42753-55-9
  • Mol. F.C19H16N4O5S
  • Mol. W.412.42 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine Impurity E
Sulfasalazine Impurity E
  • CAT. No.S080006
  • CAS. No.1391062-34-2
  • Mol. F.C29H22N6O7S2
  • Mol. W.630.65 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine EP Impurity D
Sulfasalazine EP Impurity D
  • CAT. No.S080007
  • CAS. No.66364-70-3
  • Mol. F.C17H14N4O3S
  • Mol. W.354.38 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine EP Impurity B
Sulfasalazine EP Impurity B
  • CAT. No.S080009
  • CAS. No.1391062-49-9
  • Mol. F.C29H22N8O7S2
  • Mol. W.658.66 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine EP Impurity G
Sulfasalazine EP Impurity G
  • CAT. No.S080010
  • CAS. No.1391062-37-5
  • Mol. F.C29H22N6O7S2
  • Mol. W.630.65 g/mol
  • Stock Status:Custom Synthesis
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Mesalazine Impurity 8
Mesalazine Impurity 8
  • CAT. No.S080011
  • CAS. No.2518234-89-2
  • Mol. F.C14H12N2O5
  • Mol. W.288.26 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine Impurity 1
Sulfasalazine Impurity 1
  • CAT. No.S080014
  • CAS. No.2033064-44-5
  • Mol. F.C24H19N5O7S2
  • Mol. W.553.57 g/mol
  • Stock Status:Limited Stock
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Sulfasalazine EP Impurity G Disodium
Sulfasalazine EP Impurity G Disodium
  • CAT. No.S080016
  • CAS. No.NA
  • Mol. F.C29H20N6O7S2Na2
  • Mol. W.633.23 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine Unknown Impurity
Sulfasalazine Unknown Impurity
  • CAT. No.S080017
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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2-Hydroxy-5-((4-(N-(5-(4-(N-(pyridin-2-yl)sulfamoyl)phenyl)pyridin-2-yl)sulfamoyl)phenyl)diazenyl)benzoic Acid
2-Hydroxy-5-((4-(N-(5-(4-(N-(pyridin-2-yl)sulfamoyl)phenyl)pyridin-2-yl)sulfamoyl)phenyl)diazenyl)benzoic Acid
  • CAT. No.S080018
  • CAS. No.NA
  • Mol. F.C29H22N6O7S2
  • Mol. W.630.65 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine EP Impurity A
Sulfasalazine EP Impurity A
  • CAT. No.S080019
  • CAS. No.1391062-35-3
  • Mol. F.C28H22N8O5S2
  • Mol. W.614.65 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine EP Impurity E Disodium
Sulfasalazine EP Impurity E Disodium
  • CAT. No.S080021
  • CAS. No.1391062-34-2 (Free base)
  • Mol. F.C29H22N62O7S2.2Na
  • Mol. W.676.63 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso Sulfasulazine Impurity
N-Nitroso Sulfasulazine Impurity
  • CAT. No.S080022
  • CAS. No.NA
  • Mol. F.C22H18N6O5S2
  • Mol. W.510.55 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine Impurity 5
Sulfasalazine Impurity 5
  • CAT. No.S080023
  • CAS. No.1912438-04-0
  • Mol. F.C13H11N3O5S
  • Mol. W.321.31 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine impurity 2
Sulfasalazine impurity 2
  • CAT. No.S080024
  • CAS. No.NA
  • Mol. F.C18H13N3O4
  • Mol. W.335.31 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine Impurity 2
Sulfasalazine Impurity 2
  • CAT. No.S080025
  • CAS. No.NA
  • Mol. F.C29H22N6O7S2
  • Mol. W.630.65 g/mol
  • Stock Status:Custom Synthesis
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Sulfasalazine impurity 4
Sulfasalazine impurity 4
  • CAT. No.S080026
  • CAS. No.NA
  • Mol. F.C30H23N5O7S2
  • Mol. W.629.66 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso Sulfasalazine EP Impurity J
N-Nitroso Sulfasalazine EP Impurity J
  • CAT. No.S080027
  • CAS. No.NA
  • Mol. F.C11H10N4O3S
  • Mol. W.278.29 g/mol
  • Stock Status:Custom Synthesis
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Metabolites

N-Acetyl Sulfapyridine
N-Acetyl Sulfapyridine
  • CAT. No.S080020
  • CAS. No.19077-98-6
  • Mol. F.C13H13N3O3S
  • Mol. W.291.33 g/mol
  • Stock Status:Instock
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Isotope Labelled Compounds

Sulfasalazine-d4
Sulfasalazine-d4
  • CAT. No.S080012
  • CAS. No.1346606-50-5
  • Mol. F.C18H10D4N4O5S
  • Mol. W.402.42 g/mol
  • Stock Status:Limited Stock
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