Testing items:

Characters

White or almost white, crystalline powder

 

Identification:

The retention time for the main peaks of sample should be the same as the retention time for reference standard

Solution should show positive reaction of chloride

PH  

2.0 – 4.0

 

 

Related Substances

4-Kelo-Ceftiofur ≤0.5%

MW=537 impurity≤ 0.4%

δ-3-cis-oxime≤ 0.3%

δ-2-anti-oxime ≤3.0%

Total amount of the impurities ≤3.5%

Water

≤5.0%

Particle Size

99% ≤10μm

Residue on Ignition

≤0.2%

Heavy Metals 

≤ 20ppm

Sterility  

Complies

Bacterial Endotoxins

≤0.2 EU/mg

Assay

≥91.0%