CAS number： 79350-37-1
Molecular formula： C16H15N5O7S2
molecular weight： 453.45000
Chemical structure：
| Product name | Cefixime | |
| Shelf life | 2 years | |
| TEST | SPECIFICATION | RESULT |
| Description | White or light yellow crystalline powder | Light yellow crystalline powder |
| Identification (IR) | Corresponding | Complies |
| Specific Rotation | -75。〜-88。 | -83。 |
| pH | 2.6 ~ 4.1 | 3.4 |
| Water | 9.0~ 12.0% | 10.4% |
| Crystallinity | Meets the requirements | Complies |
| Chromatographic purity Any individual impurity Total impurities | Not more than 1.0% Not more than 2.0% | 0.12% |
| Assay (on anhydrous basis) | 950 〜1030 u g/mg | 996 u g/mg |
| Residual Slovent Acetone Ethyl Acetate | Not more than 0.5% Not more than 0.5% | Not detected 0.3% |
| The above product complies as per USP34 | ||
