Ornidazole Impurity 88 CAS CATO-C4X-133188
| CAS No. | CATO-C4X-133188 |
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | 172.10 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Ornidazole Impurity 88 (CAS CATO-C4X-133188, C4H4N4O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Ornidazole Impurity 88 (C4H4N4O4) is characterized by a carbohydrate-derived structure, an amide group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | 172.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | ≥95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Nitrogen Atoms | 4 |
Related Ornidazole Standards
- Ornidazole Impurity 23 (CAS 19183-16-5)
- Ornidazole Impurity 40 (CAS 19182-82-2)
- Ornidazole Impurity 57 (CAS CATO-C4X-133157)
- Ornidazole Impurity 16 (CAS 1565482-62-3)
- Ornidazole Impurity 38 (CAS CATO-C4X-133138)
- Ornidazole Impurity 43 (CAS CATO-C4X-133143)
- Ornidazole Impurity 111 (CAS CATO-C4X-1331111)
- Ornidazole impurity 1 (CAS 1100750-18-2)
Recommended Standards
- 5-Fluoro-4-methyl-3-nitropyridin-2-ol (CAS 1003711-68-9)
- n'-Hydroxy-2-(2,2,2-trifluoroethoxy)acetimidamide (CAS 1016846-60-8)
- 5-Fluoro-2-methyl-4-nitropyridine 1-Oxide (CAS 113209-88-4)
- Methyl 5-nitro-2H-1,2,3-triazole-4-carboxylate (CAS 524036-06-4)
- Betahistine Impurity 27 (CAS 26832-29-1)
- Nintedanib Impurity 72 (CAS 14192-26-8)
- Flupentixol Impurity 37 (CAS CATO-C4X-189537)
- (3R,4S,5S,6R)-6-(Aminomethyl)tetrahydro-2H-pyran-2,3,4,5-tetraol (CAS 576-47-6)
- Cefcapene Impurity 78 (CAS CATO-C4X-182478)
- 3-Methoxy-4-((2,4,6-trichlorobenzyl)oxy)benzaldehyde (CAS 1443279-37-5)
- Di-tert-butyl(methyl)silane (CAS 56310-20-4)
- Ethyl 2-(5-((5,6-diaminopyrimidin-4-yl)thio)pentanamido)acetate (CAS 882863-84-5)
- n-(1-(Cyclopentylamino)-1-oxopropan-2-yl)furan-2-carboxamide (CAS 1214645-77-8)
- endo-Ser39-Tirzepatide (CAS CATO-CPTD788935)
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