2-Bromo-4-(3,4-difluorophenyl)-1-butene CAS 951892-63-0
| CAS No. | 951892-63-0 |
| Molecular Formula | C10H9BrF2 |
| Molecular Weight | 247.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to fluorine/bromine substitution, an aromatic ring system, 2-Bromo-4-(3,4-difluorophenyl)-1-butene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 247.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-Bromo-4-(3,4-difluorophenyl)-1-butene (CAS 951892-63-0), molecular formula C10H9BrF2 and molecular weight 247.08 g/mol, is a CATO reference standard with documented purity and traceability.
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-4-(3,4-difluorophenyl)-1-butene 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 | C10H9BrF2 |
| Molecular Weight | 247.08 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 chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
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- 1-Bromo-4-(2,2-difluoro-1-methylcyclopropyl)benzene (CAS 2138083-44-8)
- 2-Bromo-4-(2,4-difluorophenyl)-1-butene (CAS 951893-48-4)
Recommended Standards
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- 1-(4-Bromophenyl)-2-(1,2,4-triazol-1-yl)ethanone (CAS 60850-59-1)
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