CAS No

1405-20-5

Molecular Formula

C₅₆H₉₈N₁₆O₁₃.H₂SO₄

Molecular Weight

1301.56

Molecular Structure

Synonyms:

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

Appearance

White or almost white powder

pH (2%)

5.0-7.0

pH(0.5%)

5.0-7.5

Heavy metals

NMT 20 ppm

Total viable aerobic count

NMT 10 cfu/g

Assay, microbiological (as is)

NLT 6500 IU/mg

Sum of polymyxin B1, B2, B3

and B1-l

NLT 80.0%

Polymyxin B3

NMT 6.0%

Polymyxin B1-l

NMT 15.0%