| CAS No. | 2166596-69-4 |
| Molecular Formula | 2166596-69-4 |
| Molecular Weight | 265.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 265.38 g/mol gives Baricitinib Impurity 45 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Baricitinib Impurity 45 (CAS 2166596-69-4) is a certified pharmaceutical impurity reference standard with the molecular formula 2166596-69-4 and a molecular weight of 265.38 g/mol.
Based on its molecular formula 2166596-69-4, Baricitinib Impurity 45 contains an inorganic composition; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 265.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Baricitinib Impurity 45 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | 2166596-69-4 |
| Molecular Weight | 265.38 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1998 |