1-Bromo-3-fluoro-5-(2,2,2-trifluoroethoxy)benzene CAS 939425-76-0
| CAS No. | 939425-76-0 |
| Molecular Formula | C8H5BrF4O |
| Molecular Weight | 273.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Bromo-3-fluoro-5-(2,2,2-trifluoroethoxy)benzene (CAS 939425-76-0), molecular formula C8H5BrF4O and molecular weight 273.02 g/mol, is a CATO reference standard with documented purity and traceability.
1-Bromo-3-fluoro-5-(2,2,2-trifluoroethoxy)benzene (C8H5BrF4O) contains a hydroxyl group, an ether linkage, 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.
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 1-Bromo-3-fluoro-5-(2,2,2-trifluoroethoxy)benzene 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 | C8H5BrF4O |
| Molecular Weight | 273.02 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.) | 1987 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 1-(2-Bromo-5-fluorophenyl)-2,2,2-trifluoroethan-1-ol (CAS 1033805-68-3)
- 4-Bromo-2-fluoro-alpha-(trifluoromethyl)benzyl Alcohol (CAS 1033805-88-7)
- 1-Bromo-2-fluoro-4-(2,2,2-trifluoroethoxy)benzene (CAS 1036724-63-6)
- 5-Bromo-2-fluoro-alpha-(trifluoromethyl)benzyl Alcohol (CAS 1039827-16-1)
- 1-(2-Bromo-4-fluorophenyl)-2,2,2-trifluoroethan-1-ol (CAS 1086599-53-2)
- 5-Bromo-1-fluoro-2-methoxy-3-(trifluoromethyl)benzene (CAS 1224604-21-0)
- (6-Bromo-2-fluoro-3-(trifluoromethyl)phenyl)methanol (CAS 1352718-85-4)
- 4-Bromo-2-fluoro-1-(2,2,2-trifluoroethoxy)benzene (CAS 145767-77-7)
Recommended Standards
- 1-Bromo-3-fluoro-2-methoxy-5-(trifluoromethyl)benzene (CAS 2090471-09-1)
- 1-Bromo-4-(1,1,2,2-tetrafluoroethoxy)benzene (CAS 68834-05-9)
- 1-Bromo-3-(difluoromethoxy)-2-(difluoromethyl)benzene (CAS 2248269-37-4)
- 1-Bromo-4-fluoro-2-(2,2,2-trifluoroethoxy)benzene (CAS 870063-18-6)
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