4-Bromo-2,6-dichlorobenzoic Acid CAS 232275-51-3
| CAS No. | 232275-51-3 |
| Molecular Formula | C7H3BrCl2O2 |
| Molecular Weight | 269.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 269.91 g/mol gives 4-Bromo-2,6-dichlorobenzoic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Bromo-2,6-dichlorobenzoic Acid (CAS 232275-51-3), a certified reference material (molecular formula C7H3BrCl2O2, MW 269.91 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H3BrCl2O2, 4-Bromo-2,6-dichlorobenzoic Acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H3BrCl2O2 |
| Molecular Weight | 269.91 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2023 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
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Recommended Standards
- 4-Bromo-2,5-dichlorobenzoic acid (CAS 885532-41-2)
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- 3-Bromo-4,5-dichlorobenzoic acid (CAS 791137-25-2)
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