1) Cat. No.: TRC-P689400; 2) Chemical Name: Polymyxin B Sulfate ; 3) CAS No.: 1405-20-5; 4) Mol. Formula: C56H98N16O13 xH2SO4; 5) Mol. Weight: 1203.48; 6) Packing Size: 250mg / 2.5g; 7) Appearence: White Solid; 8) Application Notes: Antibiotic with bactericidal action on E. coli. Binds to the lipid A portion of bacterial lipopolysaccharides. Induces pore formation in the membranes of cortex cells from excised sorghum roots. Mixture of Polymyxin B1 and B2 sulfate.
Biological potency (dry basis): >6000U/mg. ; 9) Synonym: N-[3-Amino-1-[[1-[[3-amino-1-[[6,9,18-tris(2-aminoethyl)-15-benzyl-3-(1-hydroxyethyl)-12-(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]carbamoyl]propyl]carbamoyl]-2-hydroxy-propyl]carbamoyl]propyl]-6-methyl-octanamide Sulfuric Acid; 
; 10) Solubility: Water; 11) Storage condition: Refrigerator; 12) References: Coppi, G., et al.: J. Pharm. Pharmacol., 60, 21 (2008), Roche, S., et al.: Food Microbiol., 26, 21 (2008),