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Polymyxin B solution

Polymyxin B solution

Product Details:

  • Melting Point 233-243C
  • Molecular Weight 1189.3 Grams (g)
  • Application Industrial
  • Molecular Formula C48H84N16O17S
  • Purity 95%
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Polymyxin B solution Price And Quantity

  • 100 INR
  • 1 Kilograms

Polymyxin B solution Product Specifications

  • Industrial
  • C48H84N16O17S
  • 1189.3 Grams (g)
  • 233-243C
  • 95%

Polymyxin B solution Trade Information

  • Cash in Advance (CID) Cash Advance (CA)
  • 500 Kilograms Per Month
  • 3-4 Week
  • Yes
  • Sample costs shipping and taxes has to be paid by the buyer
  • Australia South America Middle East Central America Western Europe Asia Eastern Europe North America Africa
  • All India

Product Description

Polymyxin B solution

1 mg/mL in H2O, analytical standard

  • CAS Number 1405-20-5



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Antibacterial, Antibiotics,
grade   analytical standard
concentration   1 mg/mL in H2O
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
Mode of action   cell membrane | interferes
format   single component solution
storage temp.   2-8°C


Biochem/physiol Actions

Mode of Action: Polymyxin B Sulfate binds to the lipid A portion of bacterial lipopolysaccharides, disrupting the cytoplasmic membrane by inducing pores large enough to permit nucleotide leakage in bacterial walls. This disrupts the permeability of the cytoplasmic membrane.

Mode of Resistance: The activity of Polymyxin B sulfate is inhibited by iron(II), Co(II), Mn(II) and Magnesium ions. Polymyxin B may also be incompaitible with other microbial agents, including amphoterecin, cephalothin sodium, cephasolin sodium and heparin sodium.

Antimicrobial Spectrum: Has bactericidal action on most gram-negative bacilli, including E. Coli and on most fungi and gram-positive bacteria.

Preparation Note

This product is concentrated at 1 mg/mL in water, and should be stored at 2-8°C.


Polymyxin B sulfate is a strongly cationic cyclic polypeptide antibiotic that is derived from fermentation of Bacilus polymyxa. It is a mixture of B1 and B2 sulfate. The product has been used clinically to treat infections of the urinary tract, meninges and blood stream caused by susceptible strains of Pseudomonas aeruginosa. It also has uses studying multidrug-resistant pathogens, as an immobilized agent for removal of endotoxins, and to induce pore formation in the membranes of cortex cells from excised sorghum roots.

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