3,5-Difluoro-4-(oxazol-5-yl)phenol CAS 2379322-48-0
| CAS No. | 2379322-48-0 |
| Molecular Formula | C9H5F2NO2 |
| Molecular Weight | 197.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 197.14 g/mol gives 3,5-Difluoro-4-(oxazol-5-yl)phenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-Difluoro-4-(oxazol-5-yl)phenol (CAS 2379322-48-0), molecular formula C9H5F2NO2 and molecular weight 197.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H5F2NO2, 3,5-Difluoro-4-(oxazol-5-yl)phenol contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 197.14 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3,5-Difluoro-4-(oxazol-5-yl)phenol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5F2NO2 |
| Molecular Weight | 197.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoro Standards
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- 3,5-Difluoro-1H-indole-2-carboxylic acid (CAS 1553990-37-6)
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Recommended Standards
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- 9-Aminononanoic acid (CAS 1120-12-3)
- 5,15-Bis(4-(dodecyloxy)phenyl)porphyrin (CAS 865535-95-1)
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- 6'-Bromo-8'-chloro-4,4-difluoro-2'H-spiro[cyclohexane-1,3'-imidazo[1,5-a]pyridine]-1',5'-dione (CAS 1849592-13-7)
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