| CAS No. | 1806372-49-5 |
| Molecular Formula | C8H3F7O |
| Molecular Weight | 248.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 248.10 g/mol gives 2,3-Difluoro-5-(trifluoromethoxy)benzodifluoride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3-Difluoro-5-(trifluoromethoxy)benzodifluoride (CAS 1806372-49-5), molecular formula C8H3F7O and molecular weight 248.10 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,3-Difluoro-5-(trifluoromethoxy)benzodifluoride (C8H3F7O) contains a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 248.10 g/mol, it falls into the medium-molecular-weight range. 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 | C8H3F7O |
| Molecular Weight | 248.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |