Cefquinome Sulfate

Character

White or yellowish crystalline powder

Appearance

Slightly soluble in water and Methanol chloroform acetone

Identification

In the assay determination chromatograph chart, the retention time of principal peak correspond to standard

PH

1.6-2.6

Water content

Moisture content should not exceed 5%

 Residue on Ignition

No more than 0.3%

Heavy metals

No more than 20 ppm

 Related substances

5,6,7,8-Tetrahydroquinoline

No more than 1.0%

Any other individual impurity

No more than 2.0%

Total impurity

No more than 3.0%

Clarification and color of solution

1. It should not be thicker than No.1 turbidity standard solution 

2. Color can’t be deeper than the yellow standard 8 colorimetric solution

Particle Size

95% Pass 5μm

Assay(anhydrous)

No less than 80.0%(C₂₃H₂₄N₆O₅S₂)