Cefquinome Sulfate

Appearance

Off-white or light yellow crystalline powder

Off-white crystalline powder

Identification

The infrared absorption spectrum of sample should correspond

to that of reference standard

Complies

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

Complies

It gives the reaction of Sulfate

Complies

Water

Should not more than 5.0%

2.1%

pH

1.6-2.6

2.0

Clarity of Solution

Clear or not more opalescent than reference suspension I

Clear

Color of Solution

Colorless or not more intensely colored than reference solution Y7

＜Y4

Related Substances

5,6,7,8-Tetrahydroquinoline should not more than 2.0%

0.19%

Any other impurity should not more than 1.0%

0.31%

Total impurities should not more than 3.0%

0.96%

Sulfated Ash

Should not more than 0.2%

0.06%

Heavy Metals

Should not more than 20ppm

Complies

Particle Size

90% should less than 10μm

Complies

Sterility

Complies

Complies

Bacterial Endotoxins

Should less than 0.1EU/mg

Complies

Assay

Contain Cefquinome (C23H24N6O5S2) should not less than 80.0%, calculated on the anhydrous substance.

84.3%

Conclusion

The above materials are done based on Enterprise standards and all the testing data

meet the established specifications.