Baloxavir Impurity 64 CAS CATO-C4X-210864
| CAS No. | CATO-C4X-210864 |
| Molecular Formula | C23H29N3O4 |
| Molecular Weight | 411.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Baloxavir Impurity 64 (C23H29N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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).
As a process- or degradation-related impurity, Baloxavir Impurity 64 (CAS CATO-C4X-210864, C23H29N3O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C23H29N3O4 |
| Molecular Weight | 411.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Baloxavir Standards
- Baloxavir Impurity 102 (CAS CATO-C4X-2108102)
- Baloxavir Marboxil Impurity 156 (CAS CATO-C4X-2108156)
- Baloxavir Impurity 129 (CAS CATO-C4X-2108129)
- Baloxavir Impurity 44 (CAS CATO-C4X-210844)
- Baloxavir Impurity 6 (CAS CATO-C4X-21086)
- Baloxavir Impurity 110 (CAS CATO-C4X-2108110)
- Baloxavir Impurity 111 (CAS CATO-C4X-2108111)
- Baloxavir Impurity 108 (CAS 2640188-50-5)
Recommended Standards
- Drotaverine Impurity 3 (CAS CATO-C4X-24353)
- LCZ-696 Impurity 85 (CAS 766480-48-2；2259708-00-2)
- Drotaveraldine (CAS 54088-62-9)
- LCZ-696 Impurity 3 (CAS 149709-62-6)
- Everolimus Impurity 5 (CAS CATO-C4X-11225)
- Iobitridol Impurity 4 (CAS CATO-C4X-31784)
- Norfloxacin Impurity 46 (CAS CATO-C4X-146846)
- 3-Chloro-4-(methylsulfonyl)aniline (CAS 23153-12-0)
- 2-(4-Nitrophenoxy)tetrahydro-2H-pyran (CAS 20443-91-8)
- 4-Tosylpyridine-3-carbaldehyde (CAS 1889527-58-5)
- 2,2-Difluorospiro[2.3]hexan-5-ol (CAS 2306276-11-7)
- Sotalol Impurity 8 (CAS CATO-C4X-20928)
- 4-(4-Bromophenyl)-2-(4-chlorophenyl)thiomorpholine-3,5-dione 1-oxide (CAS 252027-13-7)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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