Pharmaceutical Reference Standards / Impurity Standards

Ketotifen Fumarate
Ketotifen Fumarate
  • CAT. No.K010000
  • CAS. No.34580-14-8
  • Mol. F.C19H19NOS.C4H4O4
  • Mol. W.425.50 g/mol
  • Stock Status:Instock
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Ketotifen
Ketotifen
  • CAT. No.K010000B
  • CAS. No.34580-13-7
  • Mol. F.C19H19NOS
  • Mol. W.309.12 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Fumarate EP Impurity A
Ketotifen Fumarate EP Impurity A
  • CAT. No.K010001
  • CAS. No.4673-38-5
  • Mol. F.C19H19NS
  • Mol. W.293.43 g/mol
  • Stock Status:Instock
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Ketotifen Fumarate EP Impurity B
Ketotifen Fumarate EP Impurity B
  • CAT. No.K010002
  • CAS. No.59743-88-3
  • Mol. F.C20H23NO2S
  • Mol. W.341.47 g/mol
  • Stock Status:Instock
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Ketotifen Fumarate EP Impurity C
Ketotifen Fumarate EP Impurity C
  • CAT. No.K010003
  • CAS. No.126939-27-3 (free base)
  • Mol. F.C19H21NO2S
  • Mol. W.327.44 g/mol
  • Stock Status:Instock
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Ketotifen Fumarate EP Impurity D
Ketotifen Fumarate EP Impurity D
  • CAT. No.K010004
  • CAS. No.88456-70-6
  • Mol. F.C19H19NO2S
  • Mol. W.325.50 g/mol
  • Stock Status:Instock
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Ketotifen Fumarate EP Impurity E
Ketotifen Fumarate EP Impurity E
  • CAT. No.K010005
  • CAS. No.1346603-71-1
  • Mol. F.C19H19NOS
  • Mol. W.309.40 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Fumarate EP Impurity F
Ketotifen Fumarate EP Impurity F
  • CAT. No.K010006
  • CAS. No.34580-09-1
  • Mol. F.C19H17NO2S
  • Mol. W.309.43 g/ mol
  • Stock Status:Custom Synthesis
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Ketotifen Fumarate EP Impurity G
Ketotifen Fumarate EP Impurity G
  • CAT. No.K010007
  • CAS. No.43076-16-0
  • Mol. F.C19H17NO2S
  • Mol. W.323.41 g/mol
  • Stock Status:Instock
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Ketotifen-D3 Fumarate
Ketotifen-D3 Fumarate
  • CAT. No.K010008
  • CAS. No.1795138-23-6
  • Mol. F.C23H20D3NO5S
  • Mol. W.428.52 g/mol
  • Stock Status:Instock
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9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • CAT. No.K010010
  • CAS. No.1622-55-5
  • Mol. F.C13H10OS
  • Mol. W.214.28 g/mol
  • Stock Status:Instock
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Norketotifen
Norketotifen
  • CAT. No.K010011
  • CAS. No.34580-20-6
  • Mol. F.C18H17NOS
  • Mol. W.295.40 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Fumarate EP Impurity F Hemifumarate
Ketotifen Fumarate EP Impurity F Hemifumarate
  • CAT. No.K010012
  • CAS. No.NA
  • Mol. F.C19H19NOS.1/2
  • Mol. W.367.46 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 3
Ketotifen Impurity 3
  • CAT. No.K010013
  • CAS. No.4506-57-4
  • Mol. F.C19H21NOS
  • Mol. W.311.44 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 1
Ketotifen Impurity 1
  • CAT. No.K010016
  • CAS. No.59743-84-9
  • Mol. F.C14H10O2S
  • Mol. W.242.29 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 9
Ketotifen Impurity 9
  • CAT. No.K010018
  • CAS. No.NA
  • Mol. F.C5H3ClN2O
  • Mol. W.142.54 g/mol
  • Stock Status:Custom Synthesis
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Norketotifen Hydrogen Fumarate
Norketotifen Hydrogen Fumarate
  • CAT. No.K010019
  • CAS. No.NA
  • Mol. F.C18H17NOS.C4H4O4
  • Mol. W.411.47 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 9
Ketotifen Impurity 9
  • CAT. No.K010020
  • CAS. No.111428-56-9
  • Mol. F.C14H9BrO2S
  • Mol. W.321.19 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 10
Ketotifen Impurity 10
  • CAT. No.K010021
  • CAS. No.4506-53-0
  • Mol. F.C13H8OS
  • Mol. W.212.30 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 14
Ketotifen Impurity 14
  • CAT. No.K010022
  • CAS. No.34580-10-4
  • Mol. F.C13H8Br2OS
  • Mol. W.372.08 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 15
Ketotifen Impurity 15
  • CAT. No.K010023
  • CAS. No.43076-89-7
  • Mol. F.C14H11BrO2S
  • Mol. W.323.21 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 16
Ketotifen Impurity 16
  • CAT. No.K010024
  • CAS. No.57568-63-5
  • Mol. F.C13H7BrOS
  • Mol. W.291.16 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Impurity 11
Ketotifen Impurity 11
  • CAT. No.K010025
  • CAS. No.126939-25-1
  • Mol. F.C13H7BrOS
  • Mol. W.291.16 g/mol
  • Stock Status:Custom Synthesis
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Ketotifen Related Compound G
Ketotifen Related Compound G
  • CAT. No.K010026
  • CAS. No.3077786-29-6
  • Mol. F.C19H17NO2S·C4H4O4
  • Mol. W.439.48 g/mol
  • Stock Status:Custom Synthesis
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Metabolites

Norketotifen Hydrochloride
Norketotifen Hydrochloride
  • CAT. No.K010014
  • CAS. No.1227458-03-8
  • Mol. F.C18H17NOS.HCl
  • Mol. W.331.86 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Norketotifen D4
Norketotifen D4
  • CAT. No.K010015
  • CAS. No.NA
  • Mol. F.C18H13D4NOS
  • Mol. W.299.42 g/mol
  • Stock Status:Custom Synthesis
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