Relebactam Impurity 152 CAS CATO-C4X-2144152
| CAS No. | CATO-C4X-2144152 |
| Molecular Formula | C20H23N3O4 |
| Molecular Weight | 369.41 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.
As a process- or degradation-related impurity, Relebactam Impurity 152 (CAS CATO-C4X-2144152, C20H23N3O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C20H23N3O4, Relebactam Impurity 152 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 369.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C20H23N3O4 |
| Molecular Weight | 369.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 Relebactam Standards
- Relebactam Impurity 137 (CAS CATO-C4X-2144137)
- Relebactam Impurity 140 (CAS CATO-C4X-2144140)
- Relebactam Impurity 22 (CAS CATO-C4X-214422)
- Relebactam Impurity 74 (CAS CATO-C4X-214474)
- Relebactam Impurity 75 (CAS CATO-C4X-214475)
- Relebactam Impurity 141 (CAS CATO-C4X-2144141)
- Relebactam Impurity 33 (CAS CATO-C4X-214433)
- Relebactam Impurity 91 (CAS 2649587-23-3)
Recommended Standards
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- Atrasentan Impurity 187(2S,3S,4S) (CAS CATO-C4X-3347187)
- Bosutinib Impurity N3 (CAS 17722-32-6)
- Desmopressin Impurity 48 (CAS CATO-C4X-221548)
- Trifarotene impurity 21 (CAS CATO-C4X-313221)
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- Cyclopropanecarbothioamide (CAS 20295-34-5)
- Isothiazole-5-sulfonyl chloride (CAS 362658-19-3)
- Fibrinogen Related Peptide (CAS 80755-86-8)
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