2-Bromo-3-(difluoromethyl)-1,4-difluorobenzene CAS 1672663-79-4
| CAS No. | 1672663-79-4 |
| Molecular Formula | C7H3BrF4 |
| Molecular Weight | 243.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 243.00 g/mol gives 2-Bromo-3-(difluoromethyl)-1,4-difluorobenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-Bromo-3-(difluoromethyl)-1,4-difluorobenzene (CAS 1672663-79-4), a certified reference material (molecular formula C7H3BrF4, MW 243.00 g/mol) for analytical method development and quality control.
2-Bromo-3-(difluoromethyl)-1,4-difluorobenzene (C7H3BrF4) contains fluorine/bromine 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), 2-Bromo-3-(difluoromethyl)-1,4-difluorobenzene 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.
Physical & Chemical Properties
| Molecular Formula | C7H3BrF4 |
| Molecular Weight | 243.00 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 |
| 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.) | 1993 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 2-Bromo-1-fluoro-3-(trifluoromethyl)benzene (CAS 104540-42-3)
- 5-Bromo-2-(difluoromethyl)-1,3-difluorobenzene (CAS 1221272-77-0)
- 1-Bromo-3-fluoro-5-(trifluoromethyl)benzene (CAS 130723-13-6)
- 4-Bromo-2-fluorobenzotrifluoride (CAS 142808-15-9)
- 3-Bromo-2-fluorobenzotrifluoride (CAS 144584-67-8)
- 1-Bromo-3-(difluoromethyl)-2,4-difluorobenzene (CAS 1447671-68-2)
- 1-Bromo-4-(difluoromethyl)-2,3-difluorobenzene (CAS 1449290-34-9)
- 1-Bromo-4-(difluoromethyl)-2,5-difluorobenzene (CAS 1628442-65-8)
Recommended Standards
- 1-Bromo-2,3,4,5-tetrafluoro-6-methylbenzene (CAS 16583-13-4)
- 1-Bromo-5-(difluoromethyl)-2,3-difluorobenzene (CAS 1782865-38-6)
- 2-Bromo-4-(difluoromethyl)-1,3-difluorobenzene (CAS 1804408-83-0)
- 1-Bromo-5-(difluoromethyl)-2,4-difluorobenzene (CAS 1804408-88-5)
- N-Butyl-2-nitrobenzenesulfonamide (CAS 89840-64-2)
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