Molecular Structure

 

 

Synonyms:sodium ceftiofur;ceftiofur sodium salt; (6r-(6alpha,7beta(z))-7-(((2-amino-4-thiazolyl)(methoxyimino)acetyl)amino)-3-(((2-furanylcarbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid sodium salt

Molecular Formula: C₁₉H₁₆N₅NaO₇S₃

Molecular Weight: 554.55

CAS Number: 104010-37-9

Standards:Enterprise standard

Packing:5kg/tin

Character: off-white or yellowish crystalline powder; Sterility;Assay(HPLC):≥85.0%;freely soluble in water(10% aqueous solution is clear); Loss on drying: ≤6.0%; pH: 5.5-7.5; Walter(K.F.): ≤4.0%; Bacterial endotoxins: ≤0.2EU/mg; Residval solvents:(Acelone1.0%; Iso-propanol:0.4%; Tetrhydrofuran:0.22%); Total impurities: ≤2.0%; Individual impurity(Cefotaxime)≤1.0%