Roxadustat Impurity 117 CAS CATO-C4X-2213117
| CAS No. | CATO-C4X-2213117 |
| Molecular Formula | C26H29N3O4 |
| Molecular Weight | 447.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C26H29N3O4, Roxadustat Impurity 117 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 447.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Roxadustat Impurity 117 (CAS CATO-C4X-2213117) is a certified pharmaceutical impurity reference standard with the molecular formula C26H29N3O4 and a molecular weight of 447.53 g/mol.
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), Roxadustat Impurity 117 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.
Physical & Chemical Properties
| Molecular Formula | C26H29N3O4 |
| Molecular Weight | 447.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Roxadustat Standards
- Roxadustat Impurity 52 (CAS CATO-C4X-221352)
- Roxadustat Impurity 69 (CAS 2731734-05-5)
- Roxadustat Impurity 83 (CAS CATO-C4X-221383)
- Roxadustat Impurity 104 (CAS CATO-C4X-2213104)
- Roxadustat Impurity 140 (CAS CATO-C4X-2213140)
- Roxadustat Impurity 47 (CAS CATO-C4X-221347)
- Roxadustat Impurity 155 (CAS CATO-C4X-2213155)
- Roxadustat Impurity 71 (CAS CATO-C4X-221371)
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