Colistin sulfate is a polypeptide antibiotic which inhibits gram-negative bacteria by binding to lipopolysaccharides and phospholipids in the outer cell membrane of gram-negative bacteria.
Formal Name: Colistin, sulfate salt
Synonyms: Polymyxin E Complex
Molecular Formula: [C52H98N16O13]2 • 5H2SO4
Formula Weight: 2801.3
CAS Number: 1264-72-8
Purity: ≥95%
Formulation: A crystalline solid
Solubility: PBS (pH 7.2): 10 mg/ml
Storage: Room temperature
Stability: ≥ 2 years