Cefquinome Sulfate

We are offering product name:cefquinome sulfate 
cas no: 118443-89-3
category:chemotherapeutic agents
sub category:antibiotics and antimicrobial agents
uses:anti-biotic
molecular weight:626.68
molecular formula:c23h24n6o5s2 · h2so4
chemical name:(6r,7r)-7-[[(2z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(5,6,7,8-tetrahydroquinolin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate sulfate
specifications:
1. Name of product:-cefquinome sulfate
2. Appearance:-off-a white to yellowish crystalline powder
3. Identification:- the ir absorption spectrum of sample responds to that of usp cefquinome bisulfate crs. The rt of the major peak in the chromatogram of the sample corresponds to that of the reference std. Positive reaction for sulfate.
4. Assay:- nlt 80.0%
5. Related substances:-
single impurity:- nmt 0.50%
total impurities:-nmt 2.0%
6. Specific rotation:- +16º to +22º
7. Turbidity of solute on:-clear or not more than reference suspension 7
8. Moisture:-nmt 5.0%
9. Residue on ignition:-nmt 0.5%
10.ph:- nmt 1.5 to 2.2
11.heavy metals:- nmt 20 ppm