Ceftiofur Sodium

CAS number: 104010-37-9

Molecular formula: C19H16N5NaO7S3

molecular weight: 545.5444

Chemical structure:

Product  Name
Ceftiofur Sodium sterile
Shelf Life
2 years  
Analysis Test
Specification
Result
Description
white to grayish yellow powderLight yellow powder
IdentificationRetention time of major peak correspond to standardCorrespond to standard
It shows the identification of sodiumConforms
Clarity of solutionClarify or not more intensely prononuced than reference suspension 1#
Conforms
Colour of solutionColourless or not more intensely colored than reference solution Y9 or O97
pH5.5~7.57.2
Water≤3.0%2.1%
Loss on drying≤6.0%4.9%
Cefotaxime ≤2.0%0.2%
Related substance
 Total Related Substances ≤5.0%0.9%
Assay(on dried basis)Calculate the content of ceftiofur with respect to the peak area obtained in the chromatogram by the external standard method ≥85.0%92.8%
PurityCeftiofur sodium≥95.0%99.1%
Bacterial endotoxins≤0.2EU/mgConforms
SterilityConformsConforms