Avibactam Impurity 26 CAS CATO-C4X-134826
| CAS No. | CATO-C4X-134826 |
| Molecular Formula | C13H19N3O2 |
| Molecular Weight | 249.31 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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 process- or degradation-related impurity, Avibactam Impurity 26 (CAS CATO-C4X-134826, C13H19N3O2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C13H19N3O2, Avibactam Impurity 26 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 249.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C13H19N3O2 |
| Molecular Weight | 249.31 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Avibactam Standards
- Avibactam Impurity 11 (CAS CATO-C4X-134811)
- Avibactam Impurity 23 (CAS 1416134-49-0)
- Avibactam Impurity 44 (CAS CATO-C4X-134844)
- Avibactam Impurity 6(2S,5S) (CAS CATO-C4X-13486)
- Avibactam Impurity 25 (CAS 1501980-29-5)
- Avibactam Impurity 85 (CAS 2733516-71-5)
- Avibactam impurity 111 (CAS CATO-C4X-1348111)
- Avibactam impurity 113 (CAS 115134-37-7)
Recommended Standards
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- Fenofibrate Impurity 21 (CAS CATO-C4X-101821)
- Oxiracetam Impurity 3 (CAS 62613-81-4)
- Tedizolid Impurity 34 (CAS CATO-C4X-105434)
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- 4-Amino-6-methyl-8-(2-deoxy-β-D-ribofuranosyl)-7(8H)-pteridone (CAS 195442-55-8)
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