Marbofloxacine
CAS number: 115550-35-1
Molecular formula: C17H19FN4O4
Molecular weight: 362.3556
Chemical structure:
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Name of Product: |
Marbofloxacin |
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Shelf Life: |
5 years |
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Specification: |
EP8 |
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Test Items |
Specification |
Results of Analysis |
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Appearance |
Light yellow crystalline powder |
Conforms |
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Solubility |
Slightly soluble in water, sparingly soluble or slightly soluble in methylene chloride, very slightly soluble in ethanol (96 percent) |
Conforms |
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Identification |
Conforms to the marbofloxacin CRS |
Conforms |
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Absorbance |
≤0.20 |
0.08 |
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Loss on drying |
≤0.5% |
0.12% |
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Sulphated ash |
≤0.1% |
0.05% |
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Heavy metals |
≤20ppm |
＜20ppm |
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Related substance (HPLC) |
Impurity A≤0.1% |
Not detected |
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Impurity B≤0.1% |
Not detected |
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Impurity C≤0.2% |
0.06% |
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Impurity D≤0.2% |
Not detected |
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Impurity E≤0.2% |
Not detected |
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Any other single impurity≤0.2% |
Not detected |
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Total impurities≤0.5% |
0.06% |
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Residual solvents |
ethanol≤5000ppm |
309ppm |
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toluene≤890ppm |
457ppm |
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methylene chloride≤600ppm |
Not detected |
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Assay |
99.0% to 101.0% (dried substance) |
100% |
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