3’,4’-Dibromoacetophenone CAS 3114-30-5
| CAS No. | 3114-30-5 |
| Molecular Formula | C8H6Br2O |
| Molecular Weight | 277.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 277.94 g/mol gives 3’,4’-Dibromoacetophenone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3’,4’-Dibromoacetophenone (CAS 3114-30-5) is a high-purity analytical reference standard with the molecular formula C8H6Br2O and a molecular weight of 277.94 g/mol.
The molecular framework of 3’,4’-Dibromoacetophenone (C8H6Br2O) is characterized by a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 3’,4’-Dibromoacetophenone 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 | C8H6Br2O |
| Molecular Weight | 277.94 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Dibromoacetophenone Standards
Recommended Standards
- 3,6-Dibromo-2-methylbenzaldehyde (CAS 269394-29-8)
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- 3,5-Dibromo-4-methylbenzaldehyde (CAS 248607-57-0)
- Mianserin impurity 43 (CAS 13665-04-8)
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