Pharmaceutical Reference Standards / Impurity Standards

Topiramate
Topiramate
  • CAT. No.T050000
  • CAS. No.97240-79-4
  • Mol. F.C12H21NO8S
  • Mol. W.339.36 g/mol
  • Stock Status:Instock
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R-Hydroxy Topiramate
R-Hydroxy Topiramate
  • CAT. No.T050001
  • CAS. No.198215-60-0
  • Mol. F.C12H21NO9S
  • Mol. W.355.36g/mol
  • Stock Status:Custom Synthesis
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S-Hydroxy Topiramate
S-Hydroxy Topiramate
  • CAT. No.T050002
  • CAS. No.198215-62-2
  • Mol. F.C12H21NO9S
  • Mol. W.355.36 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Didesacetal Impurity
Topiramate Didesacetal Impurity
  • CAT. No.T050003
  • CAS. No.106881-42-9
  • Mol. F.C6H13NO8S
  • Mol. W.259.24 g/mol
  • Stock Status:Custom Synthesis
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Topiramate EP Impurity A
Topiramate EP Impurity A
  • CAT. No.T050004
  • CAS. No.20880-92-6
  • Mol. F.C12H20O6
  • Mol. W.260.28 g/mol
  • Stock Status:Instock
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Topiramate Chlorosulfonyl Impurity
Topiramate Chlorosulfonyl Impurity
  • CAT. No.T050006
  • CAS. No.150609-95-3
  • Mol. F.C12H19ClO8S
  • Mol. W.358.79 g/mol
  • Stock Status:Instock
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Topiramate Azidosulfate
Topiramate Azidosulfate
  • CAT. No.T050007
  • CAS. No.106881-35-0
  • Mol. F.C12H19N3O8S
  • Mol. W.365.36 g/mol
  • Stock Status:Instock
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Topiramate Impurity 2
Topiramate Impurity 2
  • CAT. No.T050008
  • CAS. No.32785-90-3
  • Mol. F.C12H19ClO5
  • Mol. W.278.73 g/mol
  • Stock Status:Instock
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Topiramate Impurity D
Topiramate Impurity D
  • CAT. No.T050009
  • CAS. No.25018-67-1
  • Mol. F.C12H20O6
  • Mol. W.260.28 g/mol
  • Stock Status:Instock
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Topiramate N-Methyl Impurity
Topiramate N-Methyl Impurity
  • CAT. No.T050010
  • CAS. No.97240-80-7
  • Mol. F.C13H23NO8S
  • Mol. W.353.39 g/mol
  • Stock Status:Custom Synthesis
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Topiramate EP Impurity C
Topiramate EP Impurity C
  • CAT. No.T050011
  • CAS. No.106881-41-8
  • Mol. F.C9H17NO8S
  • Mol. W.299.30 g/mol
  • Stock Status:Instock
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Lactulose EP Impurity D
Lactulose EP Impurity D
  • CAT. No.T050012
  • CAS. No.7660-25-5
  • Mol. F.C6H12O6
  • Mol. W.180.16 g/mol
  • Stock Status:Instock
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Topiramate Impurity 1
Topiramate Impurity 1
  • CAT. No.T050013
  • CAS. No.851957-35-2
  • Mol. F.C9H17NO8S
  • Mol. W.299.30 g/mol
  • Stock Status:Custom Synthesis
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Diethyl Sulfamate
Diethyl Sulfamate
  • CAT. No.T050014
  • CAS. No.64-67-5
  • Mol. F.C4H10O4S
  • Mol. W.154.18 g/mol
  • Stock Status:Custom Synthesis
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Topiramate EP Impurity D
Topiramate EP Impurity D
  • CAT. No.T050018
  • CAS. No.950603-46-0
  • Mol. F.C25H39NO15S
  • Mol. W.625.64 g/mol
  • Stock Status:Limited Stock
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Topiramate EP Impurity B
Topiramate EP Impurity B
  • CAT. No.T050019
  • CAS. No.876403-98-4
  • Mol. F.C17H30N2O9S
  • Mol. W.438.49 g/mol
  • Stock Status:Instock
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Topiramate Impurity 2
Topiramate Impurity 2
  • CAT. No.T050022
  • CAS. No.32785-90-3
  • Mol. F.C12H19ClO5
  • Mol. W.278.73 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Impurity 3
Topiramate Impurity 3
  • CAT. No.T050023
  • CAS. No.205248-77-7
  • Mol. F.C14H25NO8S
  • Mol. W.367.42 g/mol
  • Stock Status:Custom Synthesis
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Topiramate EP Impurity E
Topiramate EP Impurity E
  • CAT. No.T050024
  • CAS. No.6347-01-9
  • Mol. F.C6H12O6
  • Mol. W.180.16 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Impurity 5
Topiramate Impurity 5
  • CAT. No.T050025
  • CAS. No.912456-61-2
  • Mol. F.C9H16O6
  • Mol. W.220.22 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Impurity 6
Topiramate Impurity 6
  • CAT. No.T050026
  • CAS. No.58238-46-3
  • Mol. F.C9H16O6
  • Mol. W.220.22 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Impurity 7
Topiramate Impurity 7
  • CAT. No.T050027
  • CAS. No.66900-93-4
  • Mol. F.C9H16O6
  • Mol. W.220.22 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Impurity 8
Topiramate Impurity 8
  • CAT. No.T050028
  • CAS. No.83541-86-0
  • Mol. F.C9H16O6
  • Mol. W.220.22 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Dimer Impurity
Topiramate Dimer Impurity
  • CAT. No.T050030
  • CAS. No.NA
  • Mol. F.C24H39NO13S
  • Mol. W.581.63 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Impurity 12
Topiramate Impurity 12
  • CAT. No.T050031
  • CAS. No.18549-40-1
  • Mol. F.C9H16O6
  • Mol. W.220.22 g/mol
  • Stock Status:Instock
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Topiramate Impurity 4
Topiramate Impurity 4
  • CAT. No.T050032
  • CAS. No.NA
  • Mol. F.C12H20ClNO8S
  • Mol. W.373.81 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Impurity 9
Topiramate Impurity 9
  • CAT. No.T050033
  • CAS. No.NA
  • Mol. F.C12H20ClNO8S
  • Mol. W.373.81 g/mol
  • Stock Status:Custom Synthesis
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Topiramate Isopropyl Sulfate Impurity
Topiramate Isopropyl Sulfate Impurity
  • CAT. No.T050034
  • CAS. No.NA
  • Mol. F.C15H26O9S
  • Mol. W.382.40 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Topiramate D12
Topiramate D12
  • CAT. No.T050005
  • CAS. No.1279037-95-4
  • Mol. F.C12H9D12NO8S
  • Mol. W.351.44 g/mol
  • Stock Status:Instock
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Topiramate-13C6
Topiramate-13C6
  • CAT. No.T050029
  • CAS. No.1217455-55-4
  • Mol. F.C613C6H21NO8S
  • Mol. W.345.32 g/mol
  • Stock Status:Instock
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