1-Bromo-2,3-difluoro-5-(trifluoromethoxy)benzene CAS 1804403-48-2
| CAS No. | 1804403-48-2 |
| Molecular Formula | C7H2BrF5O |
| Molecular Weight | 276.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 276.99 g/mol gives 1-Bromo-2,3-difluoro-5-(trifluoromethoxy)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-2,3-difluoro-5-(trifluoromethoxy)benzene (CAS 1804403-48-2), molecular formula C7H2BrF5O and molecular weight 276.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H2BrF5O, 1-Bromo-2,3-difluoro-5-(trifluoromethoxy)benzene contains a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 1-Bromo-2,3-difluoro-5-(trifluoromethoxy)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 | C7H2BrF5O |
| Molecular Weight | 276.99 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/Br-containing |
Related Bromo Standards
- 5-Bromo-1,3-difluoro-2-(trifluoromethoxy)benzene (CAS 115467-07-7)
- 3-Bromo-6-(perfluoroethyl)pyridazine (CAS 1206523-98-9)
- 2-Bromo-5-pentafluoroethyl-pyrazine (CAS 1206524-53-9)
- 1-Bromo-3,5-difluoro-2-(trifluoromethoxy)benzene (CAS 1242259-73-9)
- 1417567-17-9 5-Bromo-1,2-difluoro-3-(trifluoromethoxy)benzene (CAS 1417567-17-9)
- 2-Bromo-1,3-difluoro-5-(trifluoromethoxy)benzene (CAS 1417568-00-3)
- 1-Bromo-2,3-difluoro-4-(trifluoromethoxy)benzene (CAS 1417569-62-0)
- 1-Bromo-2,5-difluoro-4-(trifluoromethoxy)benzene (CAS 1439904-14-9)
Recommended Standards
- 1-Bromo-2,4-difluoro-5-(trifluoromethoxy)benzene (CAS 1805938-54-8)
- 2-Bromo-1,4-difluoro-3-(trifluoromethoxy)benzene (CAS 1807078-27-8)
- 1-Bromo-2,4-difluoro-3-(trifluoromethoxy)benzene (CAS 1807187-83-2)
- 5-Bromo-2-(perfluoroethyl)pyrimidine (CAS 1822863-19-3)
- 2-Bromo-1,3-bis(3,4-dimethylphenyl)propane-1,3-dione (CAS 937602-16-9)
- 1-(5,8-Dimethoxy-3,4-dihydronaphthalen-2-yl)ethanone (CAS 75251-98-8)
- 3-Bromo-6-(difluoromethyl)-2-methylpyridin-4-amine (CAS 1806843-34-4)
- Telomycin (CAS 19246-24-3)
- Chloroprocaine impurity 2 (CAS CATO-C4X-32862)
- Naphthalene-1-carbothiohydrazide 2,2,2-trifluoroacetate (CAS 1956319-83-7)
- 3-(bromomethyl)-2-methylpyridine hydrobromide (CAS 1384972-82-0)
- Lenalidomide-PEG5-C2-acid (CAS 2376139-68-1)
- 4-Hydroxy-1-methyl-N-(p-tolyl)-1H-thieno[3,2-c][1,2]thiazine-3-carboxamide 2,2-dioxide (CAS 303987-79-3)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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