Colistin sulfate salt ；Polymyxin E

CAS No.: 1264-72-8

2(C52H98N16O13)·5(H2SO4) = 2801.27

Grade: USP level

Potency: ≥ 19000iu/mg

PH：4.0～6.0

Specific rotation: -63 ~ -73 º

Loss on drying: ≤ 6.0%

Physicochemical properties: white to off white or yellowish powder; Odorless or almost odorless. It is hygroscopic. It is easily soluble in water, slightly soluble in ethanol, and almost insoluble in acetone, chloroform or ether

Purpose: biochemical research. It has bactericidal effect on gram-negative bacilli.

Storage: 2 ~ 8 ℃