4-(2-Bromoallyl)-1,2-difluorobenzene CAS 842140-34-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 842140-34-5 |
| Molecular Formula | C9H7BrF2 |
| Molecular Weight | 233.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-(2-Bromoallyl)-1,2-difluorobenzene (CAS 842140-34-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7BrF2. Molecular weight: 233.05 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7BrF2 |
| Molecular Weight | 233.05 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Br-containing |
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- Semaglutide impurity 63 (CAS CATO-C4X-222663)
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