CAS number： 118443-89-3
Molecular formula： C23H26N6O9S3
molecular weight： 626.6823
Chemical structure：
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Product Name |
Cefquinome Sulfate |
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Shelf Life |
2 years |
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Analysis by |
In-house Specification |
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Testing Items |
Testing Specifications |
Testing Results |
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Appearance |
Off-white or light yellow crystalline powder |
Off-white crystalline powder |
| Identification | It gives the positive reaction |
Complies |
| The retention time for the main peaks of sample should correspond to the retention time for reference standard |
Complies |
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| It gives the reaction of Sulfate |
Complies |
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| Water | Should not more than 5.0% | 3.4% |
| pH | 1.6-2.6 | 2 |
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Clarity of Solution |
Clear or not more opalescent than reference suspension I | <I |
| Color of Solution | Colorless or not more intensely colored than reference solution Y7 | <Y5 |
| Related Substances | 5,6,7,8-Tetrahydroquinoline should not more than 2.0% | 0.31% |
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Any other impurity should not more than 1.0% |
0.32% | |
| Total impurities should not more than 3.0% | 1.2% | |
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Sulfated Ash |
Should not more than 0.2% | 0.02% |
| Heavy Metals | Should not more than 20ppm |
Complies |
| Particle Size | 90% should less than 10μm | Complies |