Reference Standard
| CAS Number | Not assigned |
| Formula | Approx. C₁₆H₁₅N₇O₈S₂ |
| Molecular Weight | ~501–520 g/mol |
| Purity | ≥95% |
| Storage | –20 °C; light-protected. |
Alternative nitrosated cefixime-related impurity differentiated by nitroso position or oxidation state.
Regulatory impurity profiling, analytical validation, stability studies.
LC-MS/MS, HRMS, HPLC, forced degradation comparison.
