| CAS No. | 1803825-66-2 |
| Molecular Formula | C8H5F5 |
| Molecular Weight | 196.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 196.12 g/mol gives 3,5-Difluoro-4-methylbenzotrifluoride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-Difluoro-4-methylbenzotrifluoride (CAS 1803825-66-2), molecular formula C8H5F5 and molecular weight 196.12 g/mol, is a CATO reference standard with documented purity and traceability.
3,5-Difluoro-4-methylbenzotrifluoride (C8H5F5) contains fluorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,5-Difluoro-4-methylbenzotrifluoride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C8H5F5 |
| Molecular Weight | 196.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| 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 |