Component: | Chemical Synthetic Drugs |
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Storage Method: | Prevent Exceeding Quality Guarantee Period |
Veterinary Reg. No.: | Other |
CAS No: | 76639-94-6 |
Mf: | C12h14cl2fno4s |
Appearance: | White Crystalline Powder |
Customization: |
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ITEMS | STANDARD | RESULTS |
Characteristics | White or almost white crystalline powder | Almost white crystalline powder |
Melting point | 152~156 | 155.0~155.5 |
Specific optical rotation | -16° -19° | -17.4° |
Identification | The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay | Conforms |
UV absorption Max. at 266 nm | Conforms | |
IR spectra is consistent with CRS | Conforms | |
PH | 4.5~6.5 | 5.2 |
Chlorides | ≤ 0.02% | 0.02% |
Fluorides | ≥ 4.8% | 4.8% |
Related substances | Individual impurity ≤ 0.5% Total impurities ≤ 2.0% |
0.5% 0.9% |
Residue on ignition | ≤ 0.1% | 0.07% |
Water | ≤ 0.5% | 0.06% |
Heavy metals | ≤ 20ppm | |
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