| CAS No. | 2379321-98-7 |
| Molecular Formula | C8H4F4O3 |
| Molecular Weight | 224.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 224.11 g/mol gives 2-Fluoro-3-hydroxy-4-(trifluoromethyl)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Fluoro-3-hydroxy-4-(trifluoromethyl)benzoic acid (CAS 2379321-98-7), molecular formula C8H4F4O3 and molecular weight 224.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H4F4O3, 2-Fluoro-3-hydroxy-4-(trifluoromethyl)benzoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 224.11 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).
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.
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.
| Molecular Formula | C8H4F4O3 |
| Molecular Weight | 224.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F-containing |