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. | |
