Paliperidone Impurity 119 CAS CATO-C4X-1724119
| CAS No. | CATO-C4X-1724119 |
| Molecular Formula | C23H30N4O3 |
| Molecular Weight | 410.51 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Paliperidone Impurity 119.
As a process- or degradation-related impurity, Paliperidone Impurity 119 (CAS CATO-C4X-1724119, C23H30N4O3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Paliperidone Impurity 119 (C23H30N4O3) contains a steroid 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).
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 | C23H30N4O3 |
| Molecular Weight | 410.51 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 4 |
Related Paliperidone Standards
- Paliperidone Impurity 63 (CAS 1268058-08-7)
- Paliperidone Impurity 42 (CAS 1380413-60-4)
- Paliperidone Impurity 11 (CAS 531524-17-1)
- Paliperidone Impurity 59 (CAS 766485-15-8)
- Paliperidone Impurity 87 (CAS CATO-C4X-172487)
- Paliperidone Impurity 1 （Mixture of Tautomeric Isomers） (CAS 1189516-65-1)
- Paliperidone Impurity 69 (CAS CATO-C4X-172469)
- Paliperidone Impurity 26 (CAS CATO-C4X-172426)
Recommended Standards
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- CAS 2260670-67-3 (CAS 2260670-67-3)
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- 2,4-Diethyl 1-(2-oxo-2-phenylethyl)-1H-imidazole-2,4-dicarboxylate (CAS 1638612-75-5)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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