Carebastine Impurity 8 CAS CATO-C4X-31698
| CAS No. | CATO-C4X-31698 |
| Molecular Formula | C48H58NO7 |
| Molecular Weight | 760.98 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 Carebastine Impurity 8.
As a process- or degradation-related impurity, Carebastine Impurity 8 (CAS CATO-C4X-31698, C48H58NO7) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C48H58NO7, Carebastine Impurity 8 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 760.98 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.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Carebastine Impurity 8 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 | C48H58NO7 |
| Molecular Weight | 760.98 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 |
| Degree of Unsaturation (DBE) | 20.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Carebastine Standards
- Carebastine Impurity 9 (CAS CATO-C4X-31699)
- Carebastine-d5 Methyl Ester (CAS 1190019-51-2)
- Carebastine Impurity 3 (CAS CATO-C4X-31693)
- Carebastine Methyl Ester (CAS 189064-48-0)
- Carebastine-D5 (CAS 1189661-02-6)
- Carebastine (CAS 90729-42-3)
- Carebastine Impurity 7 (CAS CATO-C4X-31697)
- Carebastine Impurity 5 (CAS CATO-C4X-31695)
Recommended Standards
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
- (Lys8,Lys9)-Neurotensin (8-13) (CAS 139026-64-5)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
- 1-[Bis(2,3,4,5,6-pentachlorophenyl)methyl]-2,3,4,5,6-pentachlorobenzene (CAS 33240-61-8)
- Pregabalin Impurity PD0310887 (CAS CATO-C4X-131210)
- Oseltamivir impurity 279 (CAS CATO-C4X-1720279)
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- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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