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Colistin Sulfate

Cat. No. M4905

All AbMole products are for research use only, cannot be used for human consumption.

Colistin Sulfate Structure
Synonym:

Polymixin E Sulfate

Size Price Availability Quantity
10mM*1mL in Water USD 60  USD60 In stock
50mg USD 40  USD40 In stock
100mg USD 55  USD55 In stock
500mg USD 90  USD90 In stock
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Quality Control & Documentation
  • Purity: >97%   Antibiotic Titer ≥ 19000 u/mg
  • COA
  • MSDS
  • H-NMR
Biological Activity

Colistin sulfate is administered orally (tablets or syrup) for bowel decontamination and topically as a powder for the treatment of bacterial skin infections. Colistin interacts with the bacterial membrane through electrostatic interactions between the cationic polypeptide (colistin) and anionic lipopolysaccharide (LPS) molecules in the outer membrane of the gram-negative bacteria, leading to derangement of the cell membrane. Colistin displaces magnesium (Mg+2) and calcium (Ca+2), which normally stabilize the LPS molecules, from the negatively charged LPS, leading to a local disturbance of the outer membrane. Colistin has also potent anti-endotoxin activity.

Chemical Information
Molecular Weight 1253.51
Formula C52H100N16O17S
CAS Number 1264-72-8
Solubility (25°C) Water: ≥ 30 mg/mL
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
References

[1] Evans ME,et.al. Ann Pharmacother. Polymyxin B sulfate and colistin: old antibiotics for emerging multiresistant gram-negative bacteria.

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Keywords: Colistin Sulfate, Polymixin E Sulfate supplier, Antibiotic, inhibitors, activators

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