Marbofloxacine

CAS number: 115550-35-1

Molecular formula: C17H19FN4O4

molecular weight: 362.3556

Chemical structure:

Name of Product:Marbofloxacin
Shelf Life:5 years
Specification:EP8
Test ItemsSpecificationResults of Analysis
AppearanceLight yellow crystalline powderConforms
SolubilitySlightly soluble in water, sparingly soluble or slightly soluble in methylene chloride, very slightly soluble in ethanol (96 percent)Conforms
IdentificationConforms to the marbofloxacin CRSConforms
Absorbance≤0.200.08
Loss on drying≤0.5%0.12%
Sulphated ash≤0.1%0.05%
Heavy metals≤20ppm<20ppm
Related substance (HPLC)Impurity A≤0.1%Not detected
Impurity B≤0.1%Not detected
Impurity C≤0.2%0.06%
Impurity D≤0.2%Not detected
Impurity E≤0.2%Not detected
Any other single impurity≤0.2%Not detected
Total impurities≤0.5%0.06%
Residual solvents
ethanol≤5000ppm309ppm
toluene≤890ppm457ppm
methylene chloride≤600ppmNot detected
Assay99.0% to 101.0% (dried substance)100%