Enrofloxacin CAS 93106-60-6
Items |
Company standard |
Results |
Appearance |
Pale yellowish to light yellow,crystallnie powder |
Pale yellow,crystallnie powder |
Identification |
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IR |
IR spectrum of sample conforms to that of enrofloxacin CRS |
Conforms |
TLC |
The Rf value of the pricipal spot of the test solution corresponds to that obtained from the stadard solution |
Conforms |
Clarity of solution |
The test solution shows the same clarity as that of water or its opalescence is not more pronounced than that of the reference suspension |
Conforms |
Loss on drying |
Not more than 1.0% |
0.03% |
Residue on ignition |
Not more than 0.1% |
0.04% |
Chloride |
Not more than 0.04% |
<0.04% |
Sulfate |
Not more than 0.04% |
<0.04% |
Heavy metals |
Not more than 0.002% |
<0.002% |
Related compounds |
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Fluoroquinolonic acid |
Not more than 0.2% |
<0.2% |
Des-fluoro compound |
Not more than 0.1% |
0.01% |
Ciprofloxacin |
Not more than 0.3% |
0.06% |
Unspecified impurity |
Not more than 0.1% |
0.09% |
Total impurities |
Not more than 0.5% |
0.20% |
Residual solvents |
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Ethanol |
Not more than 0.5% |
0.01% |
N-ethylpiperazine |
Not more than 0.1% |
Not found |
Assay (on dried basis) |
98.5%-101.5% of C19H22FN3O3 |
99.5% |
Conclusion |
Conforms to EP9 specification for Enrofloxacin |
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