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Thermo Scientific Chemicals Polymixin B sulfate

Product Code. 15425349
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Product Code. 15425349 Supplier Thermo Scientific Chemicals Supplier No. J63074.06
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Description

Polymixin B sulfate, CAS # 1405-20-5, is a short polypeptide with antibacterial activity against gram-negative bacteria. | CAS: 1405-20-5 | C48H84N16O17S | 1301.571 g/mol

Antibiotic for gram-negative bacteria Polymyxin B Sulfate is an antibiotic mixture active against gram (-) organisms. It is also reported to inhibit Ca2+ dependent PKC (protein kinase C).

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

General Description

  • Polymixin B sulfate is a mixture of B1 and B2 polypeptides obtained from different strains of Bacillus polymyxa, with antibacterial activity against gram-negative bacteria. It does not exhibit activity against fungi and gram-positive organisms
  • This compound inhibits Ca2+ dependent PKC (protein kinase C)
  • It can bind lipopolysaccharide (LPS) of the outer membrane of gram-negative bacteria and disrupts the cytoplasmic membrane by inducing large pores to allow nucleotide leakage in bacterial walls. This disrupts the permeability of the cytoplasmic membrane

Application

  • Polymixin B sulfate targets BAC-1.2F5 murine macrophages as an LPS (lipopolysaccharide) inhibitor
  • In in vitro research, this compound is used to prevent bacterial contamination of cell cultures
  • In microbiology research, it is used as a positive and negative control during microbicidal concentration (MCC) assay
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1405-20-5

Specifications

Content And Storage Keep cold
Format Powder
Molecular Weight (g/mol) 1301.571
Product Type Polymixin B sulfate
Quantity 5g

RUO – Research Use Only

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