Colistin Sulfate

Colistin Sulfate is a polymyxin-class antibiotic that permeabilises the outer lipopolysaccharide membrane of Gram-negative bacteria, used topically and in veterinary applications, and orally for gut decontamination. Simson Pharma's Colistin Sulfate reference standard and impurities support potency and impurity-profile testing for this structurally complex polypeptide antibiotic.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Colistin Sulfate Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

Pharmaceutical Reference Standards / Impurity Standards

Colistin Sulfate
Colistin Sulfate
  • CAT. No.C1080000
  • CAS. No.1264-72-8
  • Mol. F.C53H102N16O7S
  • Mol. W.1267.54 g/mol
  • Stock Status:Custom Synthesis
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N-nitroso-colistin a Hydrogen Methanesulfonate-1
N-nitroso-colistin a Hydrogen Methanesulfonate-1
  • CAT. No.C1080001
  • CAS. No.NA
  • Mol. F.C58H109N17O29S5
  • Mol. W.1668.91 g/mol
  • Stock Status:Custom Synthesis
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N-nitroso-colistin a hydrogen methanesulfonate-2
N-nitroso-colistin a hydrogen methanesulfonate-2
  • CAT. No.C1080002
  • CAS. No.NA
  • Mol. F.C58H109N17O29S5
  • Mol. W.1668.91 g/mol
  • Stock Status:Custom Synthesis
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N-nitroso-colistin a hydrogen methanesulfonate-3
N-nitroso-colistin a hydrogen methanesulfonate-3
  • CAT. No.C1080003
  • CAS. No.NA
  • Mol. F.C58H109N17O29S5
  • Mol. W.1668.91 g/mol
  • Stock Status:Custom Synthesis
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N-nitroso-colistin a Hydrogen Methanesulfonate-4
N-nitroso-colistin a Hydrogen Methanesulfonate-4
  • CAT. No.C1080004
  • CAS. No.NA
  • Mol. F.C58H109N17O29S5
  • Mol. W.1668.91 g/mol
  • Stock Status:Custom Synthesis
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N-nitroso-colistin a Hydrogen Methanesulfonate-5
N-nitroso-colistin a Hydrogen Methanesulfonate-5
  • CAT. No.C1080005
  • CAS. No.NA
  • Mol. F.C58H109N17O29S5
  • Mol. W.1668.91 g/mol
  • Stock Status:Custom Synthesis
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Colistin A
Colistin A
  • CAT. No.C1080006
  • CAS. No.7722-44-3
  • Mol. F.C53H100N16O13
  • Mol. W.1169.46 g/mol
  • Stock Status:Limited Stock
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Colistin B Sulfate
Colistin B Sulfate
  • CAT. No.C1080007
  • CAS. No.1338055-88-1
  • Mol. F.C52H100N16O17S
  • Mol. W.1253.51 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso colistin b Hydrogen methanesulfonate 1
N-Nitroso colistin b Hydrogen methanesulfonate 1
  • CAT. No.C1080008
  • CAS. No.NA
  • Mol. F.C58H108N16O29S5
  • Mol. W.1653.89 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso Colistin b Hydrogen Methanesulfonate 2
N-Nitroso Colistin b Hydrogen Methanesulfonate 2
  • CAT. No.C1080009
  • CAS. No.NA
  • Mol. F.C58H108N16O29S5
  • Mol. W.1653.89 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso Colistin b Hydrogen Methanesulfonate 3
N-Nitroso Colistin b Hydrogen Methanesulfonate 3
  • CAT. No.C1080010
  • CAS. No.NA
  • Mol. F.C58H108N16O29S5
  • Mol. W.1653.89 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso colistin b Hydrogen methanesulfonate 4
N-Nitroso colistin b Hydrogen methanesulfonate 4
  • CAT. No.C1080011
  • CAS. No.NA
  • Mol. F.C58H108N16O29S5
  • Mol. W.1653.89 g/mol
  • Stock Status:Custom Synthesis
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N-Nitroso Colistin b Hydrogen Methanesulfonate 5
N-Nitroso Colistin b Hydrogen Methanesulfonate 5
  • CAT. No.C1080012
  • CAS. No.NA
  • Mol. F.C58H108N16O29S5
  • Mol. W.1653.89 g/mol
  • Stock Status:Custom Synthesis
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Colistin A Sulphate
Colistin A Sulphate
  • CAT. No.C1080016
  • CAS. No.7722-44-3 (free base)
  • Mol. F.C53H100N16O13.H2SO4
  • Mol. W.267.54 g/mol
  • Stock Status:Custom Synthesis
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Colistin B Trifluoroacetate
Colistin B Trifluoroacetate
  • CAT. No.C1080017
  • CAS. No.NA
  • Mol. F.C52H98N16O13.C2HF3O2
  • Mol. W.1269.45 g/mol
  • Stock Status:Limited Stock
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Colistin
Colistin
  • CAT. No.C1080018
  • CAS. No.1066-17-7
  • Mol. F.C52H98N16O13
  • Mol. W.1155.46 g/mol
  • Stock Status:Please Enquire
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Colistin B
Colistin B
  • CAT. No.C1080019
  • CAS. No.7239-48-7
  • Mol. F.C52H98N16O13
  • Mol. W.1155.43 g/mol
  • Stock Status:Custom Synthesis
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Colistin III
Colistin III
  • CAT. No.C1080020
  • CAS. No.1271111-95-5
  • Mol. F.C53H100N16O13
  • Mol. W.1169.46 g/mol
  • Stock Status:Custom Synthesis
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7-l-Norvalinepolymyxin E1
7-l-Norvalinepolymyxin E1
  • CAT. No.C1080021
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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2,3-Dehydro colistin A
2,3-Dehydro colistin A
  • CAT. No.C1080022
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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Polymyxin E7
Polymyxin E7
  • CAT. No.C1080023
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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