Second International Standard for Polymyxin B

Analyte Name

Polymyxin-B 2,5-sulfate

CAS Number

1405-20-5

Molecular Formula

C55H96N16O13 · 2H2SO4

Molecular Weight

1385.61

Flash Point

-20.0

InChI

InChi=1S/C48H82N16O13.H2O4S/c1-27(2)24-37-47(76)59-32(11-19-52)41(70)56-31(10-18-51)43(72)61-35(14-22-65)39(68)54-21-13-34(45(74)57-33(12-20-53)44(73)64-38(48(77)63-37)25-28-6-4-3-5-7-28)60-42(71)30(9-17-50)58-46(75)36(15-23-66)62-40(69)29(8-16-49)55-26-67;1-5(2,3)4/h3-7,26-27,29-38,65-66H,8-25,49-53H2,1-2H3,(H,54,68)(H,55,67)(H,56,70)(H,57,74)(H,58,75)(H,59,76)(H,60,71)(H,61,72)(H,62,69)(H,63,77)(H,64,73);(H2,1,2,3,4)

IUPAC

Polymyxin B sulfate

Alternate CAS Number

1404-26-8-free base

Storage Temperature

Freezer

Shipping Temperature

Room Temperature

Country of Origin

FRANCE

Tariff Code

29419000

Product Type

API

Product Format

Neat

Analytical Method

Monograph only