Tucatinib Impurity 2 CAS CATO-C4X-26052
| CAS No. | CATO-C4X-26052 |
| Molecular Formula | C26H24N8OS |
| Molecular Weight | 496.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
As a process- or degradation-related impurity, Tucatinib Impurity 2 (CAS CATO-C4X-26052, C26H24N8OS) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Tucatinib Impurity 2 (C26H24N8OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C26H24N8OS |
| Molecular Weight | 496.59 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 1 |
Related Tucatinib Standards
- Tucatinib Impurity 1 (CAS CATO-C4X-26051)
- Tucatinib Impurity 16 (CAS CATO-C4X-260516)
- Tucatinib Impurity 3 (CAS CATO-C4X-26053)
- Tucatinib Impurity 4 (CAS CATO-C4X-26054)
- Tucatinib Impurity 5 (CAS CATO-C4X-26055)
- Tucatinib Impurity 39 (CAS CATO-C4X-260539)
- Tucatinib Impurity 58 (CAS CATO-C4X-260558)
- Tucatinib Impurity 15 (CAS CATO-C4X-260515)
Recommended Standards
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- 1-Benzyl-4-(4-methylphenoxy)phthalazine (CAS 338404-27-6)
- Cholecystokinin Octapeptide (1-4) (desulfated) (CAS 80790-40-5)
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