Pharmaceutical Reference Standards / Impurity Standards

Polymyxin B Sulfate
Polymyxin B Sulfate
  • CAT. No.P680000
  • CAS. No.1405-20-5
  • Mol. F.C56H98N16O13.H2SO4
  • Mol. W.1301.16 g/mol
  • Stock Status:Instock
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Polymyxin B1
Polymyxin B1
  • CAT. No.P680001
  • CAS. No.4135-11-9
  • Mol. F.C56H98N16O13
  • Mol. W.1203.48 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B3 Pentatrifluoroacetate salt
Polymyxin B3 Pentatrifluoroacetate salt
  • CAT. No.P680002
  • CAS. No.71140-58-4 (free base)
  • Mol. F.C65H101F15N16O23
  • Mol. W.1759.57 g/mol
  • Stock Status:Under Synthesis
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Polymyxin B2 Pentatrifluoroacetate salt
Polymyxin B2 Pentatrifluoroacetate salt
  • CAT. No.P680003
  • CAS. No.NA
  • Mol. F.C65H101F15N16O23
  • Mol. W.1759.57 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B1-I Pentatrifluoroacetate
Polymyxin B1-I Pentatrifluoroacetate
  • CAT. No.P680004
  • CAS. No.811435-10-6 (free base)
  • Mol. F.C66H103F15N16O23
  • Mol. W.1773.59 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B1 Pentatrifluoroacetate
Polymyxin B1 Pentatrifluoroacetate
  • CAT. No.P680005
  • CAS. No.4135-11-9 (free base)
  • Mol. F.C66H103F15N16O23
  • Mol. W.1773.59 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin Impurity 15
Polymyxin Impurity 15
  • CAT. No.P680006
  • CAS. No.NA
  • Mol. F.C57H107N17O29S5
  • Mol. W.1654.88 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin Impurity 16
Polymyxin Impurity 16
  • CAT. No.P680007
  • CAS. No.NA
  • Mol. F.C57H107N17O29S5
  • Mol. W.1654.88 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin Impurity 17
Polymyxin Impurity 17
  • CAT. No.P680008
  • CAS. No.NA
  • Mol. F.C57H107N17O29S5
  • Mol. W.1654.88 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin Impurity 18
Polymyxin Impurity 18
  • CAT. No.P680009
  • CAS. No.NA
  • Mol. F.C57H107N17O29S5
  • Mol. W.1654.88 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin Impurity 19
Polymyxin Impurity 19
  • CAT. No.P680010
  • CAS. No.NA
  • Mol. F.C57H107N17O29S5
  • Mol. W.1654.88 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 1
Polymyxin B Impurity 1
  • CAT. No.P680011
  • CAS. No.NA
  • Mol. F.C56H96N16O12
  • Mol. W.1185.46 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B1-I
Polymyxin B1-I
  • CAT. No.P680012
  • CAS. No.811435-10-6
  • Mol. F.C56H98N16O13
  • Mol. W.1203.48 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B2
Polymyxin B2
  • CAT. No.P680013
  • CAS. No.34503-87-2
  • Mol. F.C55H96N16O13
  • Mol. W.1189.45 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B3
Polymyxin B3
  • CAT. No.P680014
  • CAS. No.71140-58-4
  • Mol. F.C55H96N16O13
  • Mol. W.1189.45 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B
Polymyxin B
  • CAT. No.P680015
  • CAS. No.1404-26-8
  • Mol. F.C56H98N16O13
  • Mol. W.1203.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B1 Trifluoroacetate
Polymyxin B1 Trifluoroacetate
  • CAT. No.P680016
  • CAS. No.NA
  • Mol. F.C56H98N16O13.C2HF3O2
  • Mol. W.1317.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 2 (Trifluoroacetate)
Polymyxin B Impurity 2 (Trifluoroacetate)
  • CAT. No.P680017
  • CAS. No.NA
  • Mol. F.C55H96N16O14S.C2HF3O2
  • Mol. W.1351.54 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 3 Trifluoroacetate
Polymyxin B Impurity 3 Trifluoroacetate
  • CAT. No.P680018
  • CAS. No.NA
  • Mol. F.C54H94N14O15.C2HF3O2
  • Mol. W.1289.45 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 4 Trifluoroacetate
Polymyxin B Impurity 4 Trifluoroacetate
  • CAT. No.P680019
  • CAS. No.NA
  • Mol. F.C56H98N16O14.C2HF3O2
  • Mol. W.1333.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 5 Trifluoroacetate
Polymyxin B Impurity 5 Trifluoroacetate
  • CAT. No.P680020
  • CAS. No.NA
  • Mol. F.C56H98N16O14.C2HF3O2
  • Mol. W.1333.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 6 Trifluoroacetate
Polymyxin B Impurity 6 Trifluoroacetate
  • CAT. No.P680021
  • CAS. No.NA
  • Mol. F.C55H96N14O15.C2HF3O2
  • Mol. W.1303.47 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 7 Trifluoroacetate
Polymyxin B Impurity 7 Trifluoroacetate
  • CAT. No.P680022
  • CAS. No.NA
  • Mol. F.C55H96N16O13.C2HF3O2
  • Mol. W.1303.47 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 8 Trifluoroacetate
Polymyxin B Impurity 8 Trifluoroacetate
  • CAT. No.P680023
  • CAS. No.NA
  • Mol. F.C56H96N16O12.C2HF3O2
  • Mol. W.1299.48 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 9 Trifluoroacetate
Polymyxin B Impurity 9 Trifluoroacetate
  • CAT. No.P680024
  • CAS. No.NA
  • Mol. F.C56H98N16O13.C2HF3O2
  • Mol. W.1317.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 10 Trifluoroacetate
Polymyxin B Impurity 10 Trifluoroacetate
  • CAT. No.P680025
  • CAS. No.NA
  • Mol. F.C55H96N16O13.C2HF3O2
  • Mol. W.1303.47 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 11 Trifluoroacetate
Polymyxin B Impurity 11 Trifluoroacetate
  • CAT. No.P680026
  • CAS. No.NA
  • Mol. F.C56H98N16O13.C2HF3O2
  • Mol. W.1317.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 12 Trifluoroacetate
Polymyxin B Impurity 12 Trifluoroacetate
  • CAT. No.P680027
  • CAS. No.NA
  • Mol. F.C56H98N16O13.C2HF3O2
  • Mol. W.1317.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B1 Acetate
Polymyxin B1 Acetate
  • CAT. No.P680028
  • CAS. No.NA
  • Mol. F.C56H98N16O13.C2H4O2
  • Mol. W.1263.53 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B1-I Acetate
Polymyxin B1-I Acetate
  • CAT. No.P680029
  • CAS. No.NA
  • Mol. F.C56H98N16O13.C2H4O2
  • Mol. W.1263.53 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B2 Trifluroacetate
Polymyxin B2 Trifluroacetate
  • CAT. No.P680030
  • CAS. No.NA
  • Mol. F.C55H96N16O13.C2HF3O2
  • Mol. W.1303.47 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B3 Trifluroacetate
Polymyxin B3 Trifluroacetate
  • CAT. No.P680031
  • CAS. No.NA
  • Mol. F.C55H96N16O13.C2HF3O2
  • Mol. W.1303.47 g/mol
  • Stock Status:Under Synthesis
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Polymyxin B6 Pentatrifluoroacetate (Mixture of Diastereomers)
Polymyxin B6 Pentatrifluoroacetate (Mixture of Diastereomers)
  • CAT. No.P680032
  • CAS. No.NA
  • Mol. F.C56H98N16O14.5(C2HF3O2)
  • Mol. W.1333.50 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin B Impurity 13 Sodium
Polymyxin B Impurity 13 Sodium
  • CAT. No.P680033
  • CAS. No.NA
  • Mol. F.C9H17O3.Na
  • Mol. W.196.22 g/mol
  • Stock Status:Custom Synthesis
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Colistin-1,3,5,9-tetramethanesulfonic A acid
Colistin-1,3,5,9-tetramethanesulfonic A acid
  • CAT. No.P680034
  • CAS. No.30387-39-4
  • Mol. F.C57H108N16O25S4
  • Mol. W.1545.80 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin E2
Polymyxin E2
  • CAT. No.P680035
  • CAS. No.30387-41-8
  • Mol. F.C56H106N16O25S4
  • Mol. W.1531.80 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin E1 Acetate
Polymyxin E1 Acetate
  • CAT. No.P680036
  • CAS. No.NA
  • Mol. F.C57H108N16O25S4.C2H4O2
  • Mol. W.1608.87 g/mol
  • Stock Status:Custom Synthesis
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Polymyxin E2 Acetate
Polymyxin E2 Acetate
  • CAT. No.P680037
  • CAS. No.NA
  • Mol. F.C56H106N16O25S4.C2H4O2
  • Mol. W.1531.80 g/mol
  • Stock Status:Custom Synthesis
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