Iohexol

Characteristics: White powder, tastelessIdentification: ConformitySpecific rotation: -0. 5 ~ +0. 5Water: < 2. 0%Absorbances400nm Not greater than 0. 180420nm Not greater than 0. 030450nm Not greater than 0. 015Heavy metals: < 0. 002%Free aromatic amine: Not more than 0. 04%Free iodine: Complies with standardsFree iodide: < 0. 001%Ionic compounds: Not more than 0. 01%Methanol < 0. 005%Isopropyl alcohol < 0. 005%Methoxyethanol: < 0. 002%Limit of 3-chloro-1, 2-propanediol: <0. 0025%O-alkylated compounds(HPLC): < 0. 4%Individual impurity < 0. 1%The sum of all impurities < 0. 3%Bacterial eudotoxins: < 0. 001EU/mgAssay(by titration): 98. 5%-101. 0% product offered by Zhejiang Hisyn Pharmaceutical Co., Ltd.