CAS number：64544-07-6
Molecular formula：C20H22N4O10S
molecular weight：510.4745
Chemical structure：
|
Name of product |
Cefuroxime Axetil | |
|
Shelf life |
2 years |
|
|
TESTS |
SPECIFICATIONS |
RESULTS |
| CHARACTERS | A white to almost white powder | An almost white powde |
| Identification | IR, infrared absorption spectrogram of the test solution is similar to that of the reference solution | Conforms |
| Crystallinity | Don’t show birefringence or exhibit extinction positions | Conforms |
| Water | ＜1.5% |
0.37% |
| Diastereoisomer ratio | The ratio of cefuroxime axetil diastereoisomer A to the sum of the cefuroxime axetil diastereoisomers A and B is: 0.48 〜0.55 | 0.52 |
| Assay |
745〜875u g/mg (c16h16n4o8s) (calculated on the anhydrous basis)
|
812 u g/mg |
|
Conclusion |
The results conform with USP. |
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