4-(2-Bromo-1,1-difluoroethyl)-1,2-difluorobenzene CAS 1254038-53-3
| CAS No. | 1254038-53-3 |
| Molecular Formula | C8H5BrF4 |
| Molecular Weight | 257.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2-Bromo-1,1-difluoroethyl)-1,2-difluorobenzene (CAS 1254038-53-3), a certified reference material (molecular formula C8H5BrF4, MW 257.02 g/mol) for analytical method development and quality control.
Structurally, 4-(2-Bromo-1,1-difluoroethyl)-1,2-difluorobenzene (C8H5BrF4) contains fluorine/bromine 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 257.02 g/mol, it falls into the medium-molecular-weight range. 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 4-(2-Bromo-1,1-difluoroethyl)-1,2-difluorobenzene 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 | C8H5BrF4 |
| Molecular Weight | 257.02 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 |
| 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.) | 1990 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 2-Bromo-1-fluoro-4-(2,2,2-trifluoroethyl)benzene (CAS 1099598-18-1)
- 1-Bromo-4-fluoro-2-(2,2,2-trifluoroethyl)benzene (CAS 1186194-80-8)
- 2-Bromo-4-fluoro-1-(2,2,2-trifluoroethyl)-benzene (CAS 1186194-81-9)
- 4-Bromo-1-fluoro-2-(2,2,2-trifluoroethyl)benzene (CAS 1186195-21-0)
- 4-Bromo-2-fluoro-1-(2,2,2-trifluoroethyl)benzene (CAS 1256841-61-8)
- 1-Bromo-3,5-bis(difluoromethyl)benzene (CAS 1379370-60-1)
- 1-Bromo-4-(1,1,2,2-tetrafluoroethyl)benzene (CAS 1783392-06-2)
- 1-Bromo-4-(1,2,2,2-tetrafluoroethyl)benzene (CAS 189762-23-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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