Upadacitinib Impurity 149 CAS CATO-C4X-2405149
| CAS No. | CATO-C4X-2405149 |
| Molecular Formula | C16H16F3NO7S |
| Molecular Weight | 423.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Upadacitinib Impurity 149 (CAS CATO-C4X-2405149), a pharmacopoeial impurity reference standard (molecular formula C16H16F3NO7S, MW 423.36 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C16H16F3NO7S, Upadacitinib Impurity 149 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 423.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Upadacitinib Impurity 149 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 | C16H16F3NO7S |
| Molecular Weight | 423.36 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Upadacitinib Standards
- Upadacitinib Impurity 62 (CAS CATO-C4X-240562)
- Upadacitinib Impurity 190 (CAS CATO-C4X-2405190)
- Upadacitinib Impurity 215 (CAS CATO-C4X-2405215)
- Upadacitinib Impurity 127 (CAS CATO-C4X-2405127)
- Upadacitinib Impurity 121 (CAS CATO-C4X-2405121)
- Upadacitinib Impurity 180 (CAS CATO-C4X-2405180)
- Upadacitinib Impurity 63 (CAS CATO-C4X-240563)
- Upadacitinib Impurity 58 (CAS CATO-C4X-240558)
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