Pharmaceutical Reference Standards / Impurity Standards

4-(Diphenylmethyl)-1-Nitrosopiperidine
4-(Diphenylmethyl)-1-Nitrosopiperidine
  • CAT. No.C100038
  • CAS. No.94067-39-7
  • Mol. F.C18H20N2O
  • Mol. W.280.36 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Hydrochloride
Fexofenadine Hydrochloride
  • CAT. No.F020000
  • CAS. No.153439-40-8
  • Mol. F.C32H39NO4.HCl
  • Mol. W.538.12 g/mol
  • Stock Status:Instock
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Fexofenadine Dihydrate
Fexofenadine Dihydrate
  • CAT. No.F020000B
  • CAS. No.885946-90-7
  • Mol. F.C32H39NO4.2H2O
  • Mol. W.537.69 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine EP Impurity A
Fexofenadine EP Impurity A
  • CAT. No.F020001
  • CAS. No.76811-98-8
  • Mol. F.C32H37NO4
  • Mol. W.499.64 g/mol
  • Stock Status:Instock
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Fexofenadine EP Impurity B
Fexofenadine EP Impurity B
  • CAT. No.F020002
  • CAS. No.479035-75-1
  • Mol. F.C32H39NO4
  • Mol. W.501.66 g/mol
  • Stock Status:Instock
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Fexofenadine EP Impurity B Hydrochloride
Fexofenadine EP Impurity B Hydrochloride
  • CAT. No.F020002A
  • CAS. No.479035-75-1 (free base)
  • Mol. F.C32H39NO4.HCl
  • Mol. W.538.12 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine EP Impurity C Hydrochloride
Fexofenadine EP Impurity C Hydrochloride
  • CAT. No.F020003
  • CAS. No.185066-37-9 (free base)
  • Mol. F.C32H39NO2.HCl
  • Mol. W.494.11 g/mol
  • Stock Status:Instock
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Fexofenadine EP Impurity D
Fexofenadine EP Impurity D
  • CAT. No.F020004
  • CAS. No.154825-96-4
  • Mol. F.C33H41NO4
  • Mol. W.515.68 g/mol
  • Stock Status:Instock
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Fexofenadine EP Impurity E
Fexofenadine EP Impurity E
  • CAT. No.F020005
  • CAS. No.115-46-8
  • Mol. F.C18H21NO
  • Mol. W.267.36 g/mol
  • Stock Status:Instock
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Fexofenadine EP Impurity F
Fexofenadine EP Impurity F
  • CAT. No.F020006
  • CAS. No.185066-33-5
  • Mol. F.C31H37NO4
  • Mol. W.487.63 g/mol
  • Stock Status:Instock
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Fexofenadine EP Impurity G
Fexofenadine EP Impurity G
  • CAT. No.F020007
  • CAS. No.1187954-57-9
  • Mol. F.C32H37NO3
  • Mol. W.483.64 g/mol
  • Stock Status:Instock
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Methyl Ester of M-Fexofenadine
Methyl Ester of M-Fexofenadine
  • CAT. No.F020012
  • CAS. No.NA
  • Mol. F.C33H41NO4
  • Mol. W.515.68 g/mol
  • Stock Status:Custom Synthesis
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Methyl ester of P-Fexofenadine
Methyl ester of P-Fexofenadine
  • CAT. No.F020013
  • CAS. No.154825-96-4
  • Mol. F.C33H41NO4
  • Mol. W.515.68 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 5
Fexofenadine Impurity 5
  • CAT. No.F020014
  • CAS. No.174483-06-8
  • Mol. F.C34H43NO4
  • Mol. W.529.71 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Tertiary Dehydrated Impurity
Fexofenadine Tertiary Dehydrated Impurity
  • CAT. No.F020016
  • CAS. No.1347311-10-7
  • Mol. F.C32H39NO3
  • Mol. W.485.66 g/mol
  • Stock Status:Custom Synthesis
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Ethylester-m-Fexofenadine
Ethylester-m-Fexofenadine
  • CAT. No.F020017
  • CAS. No.NA
  • Mol. F.C34H43NO4
  • Mol. W.529.71 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 17
Fexofenadine Impurity 17
  • CAT. No.F020018
  • CAS. No.154477-55-1
  • Mol. F.C33H39NO4
  • Mol. W.513.67 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine N-Oxide
Fexofenadine N-Oxide
  • CAT. No.F020019
  • CAS. No.1422515-52-3
  • Mol. F.C32H39NO5
  • Mol. W.517.66 g/mol
  • Stock Status:Instock
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Fexofenadine Impurity L
Fexofenadine Impurity L
  • CAT. No.F020021
  • CAS. No.NA
  • Mol. F.C32H37NO3
  • Mol. W.483.64 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine EP Impurity A Hydrochloride
Fexofenadine EP Impurity A Hydrochloride
  • CAT. No.F020023
  • CAS. No.153439-43-1
  • Mol. F.C32H37NO4.HCl
  • Mol. W.536.10 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Olefin
Fexofenadine Olefin
  • CAT. No.F020024
  • CAS. No.1187954-57-9
  • Mol. F.C32H37NO3
  • Mol. W.483.64 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 22
Fexofenadine Impurity 22
  • CAT. No.F020027
  • CAS. No.343255-26-5
  • Mol. F.C15H19ClO3
  • Mol. W.282.76 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 9
Fexofenadine Impurity 9
  • CAT. No.F020028
  • CAS. No.192885-13-5
  • Mol. F.C14H19ClO3
  • Mol. W.270.75 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 45
Fexofenadine Impurity 45
  • CAT. No.F020029
  • CAS. No.NA
  • Mol. F.C32H37NO4
  • Mol. W.499.64 g/mol
  • Stock Status:Instock
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Fexofenadine
Fexofenadine
  • CAT. No.F020030
  • CAS. No.83799-24-0
  • Mol. F.C32H39NO4
  • Mol. W.501.66 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity D Hydrochloride
Fexofenadine Impurity D Hydrochloride
  • CAT. No.F020031
  • CAS. No.NA
  • Mol. F.C33H41NO4.HCl
  • Mol. W.552.14 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 10
Fexofenadine Impurity 10
  • CAT. No.F020032
  • CAS. No.169280-26-6
  • Mol. F.C14H18O2
  • Mol. W.218.29 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 3
Fexofenadine Impurity 3
  • CAT. No.F020033
  • CAS. No.162096-54-0
  • Mol. F.C14H16O3
  • Mol. W.232.28 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 11
Fexofenadine Impurity 11
  • CAT. No.F020034
  • CAS. No.6952-91-6
  • Mol. F.C13H16O
  • Mol. W.188.27 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 12
Fexofenadine Impurity 12
  • CAT. No.F020035
  • CAS. No.57625-74-8
  • Mol. F.C11H14O2
  • Mol. W.178.23 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 13
Fexofenadine Impurity 13
  • CAT. No.F020036
  • CAS. No.88783-30-6
  • Mol. F.C18H21NO
  • Mol. W.267.37 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Related Compound B
Fexofenadine Related Compound B
  • CAT. No.F020037
  • CAS. No.NA
  • Mol. F.C32H39NO4.H2O.HCl
  • Mol. W.556.13 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 1
Fexofenadine Impurity 1
  • CAT. No.F020038
  • CAS. No.154477-54-0
  • Mol. F.C15H19ClO3
  • Mol. W.282.76 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 18
Fexofenadine Impurity 18
  • CAT. No.F020039
  • CAS. No.394222-30-1
  • Mol. F.C15H20O4
  • Mol. W.264.32 g/mol
  • Stock Status:Custom Synthesis
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Ammonium-2-(4-(4-chlorobutanoyl)phenyl)-2-methylpropanoate
Ammonium-2-(4-(4-chlorobutanoyl)phenyl)-2-methylpropanoate
  • CAT. No.F020040
  • CAS. No.NA
  • Mol. F.C14H20ClNO3
  • Mol. W.285.77 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 27
Fexofenadine Impurity 27
  • CAT. No.F020041
  • CAS. No.857768-18-4
  • Mol. F.C12H14O3
  • Mol. W.206.24 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 26
Fexofenadine Impurity 26
  • CAT. No.F020042
  • CAS. No.75492-21-6
  • Mol. F.C11H14O3
  • Mol. W.194.23 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 24
Fexofenadine Impurity 24
  • CAT. No.F020043
  • CAS. No.169280-21-1
  • Mol. F.C14H17ClO3
  • Mol. W.268.74 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 23
Fexofenadine Impurity 23
  • CAT. No.F020044
  • CAS. No.169280-25-5
  • Mol. F.C14H19ClO2
  • Mol. W.254.75 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Hydrochloride Form I
Fexofenadine Hydrochloride Form I
  • CAT. No.F020045
  • CAS. No.153439-40-8
  • Mol. F.C32H39NO4.HCl
  • Mol. W.538.12 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine EP Impurity C
Fexofenadine EP Impurity C
  • CAT. No.F020046
  • CAS. No.185066-37-9
  • Mol. F.C31H39NO2
  • Mol. W.457.65 g/mol
  • Stock Status:Instock
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4-carboxy-alpha,alpha-dimethyl-Benzeneacetic acid
4-carboxy-alpha,alpha-dimethyl-Benzeneacetic acid
  • CAT. No.F020047
  • CAS. No.24911-30-6
  • Mol. F.C11H12O4
  • Mol. W.208.21 g/mol
  • Stock Status:Custom Synthesis
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2-(4-(hydroxydiphenylmethyl)piperidin-1-yl)ethanol
2-(4-(hydroxydiphenylmethyl)piperidin-1-yl)ethanol
  • CAT. No.F020048
  • CAS. No.NA
  • Mol. F.C20H25NO2
  • Mol. W.311.42 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 39
Fexofenadine Impurity 39
  • CAT. No.F020049
  • CAS. No.70289-38-2
  • Mol. F.C13H17ClO
  • Mol. W.224.73 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 41
Fexofenadine Impurity 41
  • CAT. No.F020050
  • CAS. No.480466-36-2
  • Mol. F.C14H18O2
  • Mol. W.218.29 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Hydrochloride Form II
Fexofenadine Hydrochloride Form II
  • CAT. No.F020051
  • CAS. No.153439-40-8
  • Mol. F.C32H39NO4.HCl
  • Mol. W.538.12 g/mol
  • Stock Status:Custom Synthesis
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Fexofenadine Impurity 42
Fexofenadine Impurity 42
  • CAT. No.F020052
  • CAS. No.NA
  • Mol. F.C13H16O2
  • Mol. W.204.26 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Fexofenadine-D6
Fexofenadine-D6
  • CAT. No.F020008
  • CAS. No.548783-71-7
  • Mol. F.C32H33D6NO4
  • Mol. W.507.69 g/mol
  • Stock Status:Instock
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Fexofenadine-D10 Hydrochloride
Fexofenadine-D10 Hydrochloride
  • CAT. No.F020011
  • CAS. No.1215821-44-5
  • Mol. F.C32H29D10NO4.HCl
  • Mol. W.548.18 g/mol
  • Stock Status:Instock
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Fexofenadine-D10
Fexofenadine-D10
  • CAT. No.F020011A
  • CAS. No.NA
  • Mol. F.C32H29D10NO4
  • Mol. W.511.73 g/mol
  • Stock Status:Custom Synthesis
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