Ceftiofur sodium [CAS]: 104010-37-9

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Ceftiofur sodium [CAS]: 104010-37-9
CAS: 104010-37-9
Molecular Formula: C19H16N5NaO7S3
Molecular Weight: 545.53
ANALYSIS TEST SPECIFICATIONS RESULTS
Description Off-white or yellow powder Light yellow powder
Identification HPLC:Same Rt than reference standard Conforms
Bacterial endotoxins ≤0.2EU/mg Conforms
PH 5.0-7.5 7.0
Water ≤4.0% 1.8%
Impurity Total impurities ≤3.0%
Individual impurity(Cefotaxime) ≤1.0% 2.1%
0.5%
Content Count Based on Anhydrous Substance,>85% 87.5%
Assay(HPLC) ≥97% （area normalization method） 99.1%

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