4-Bromo-2-Chlorophenol CAS 3964-56-5
| CAS No. | 3964-56-5 |
| Molecular Formula | C6H4BrClO |
| Molecular Weight | 207.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 207.45 g/mol gives 4-Bromo-2-Chlorophenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Bromo-2-Chlorophenol (CAS 3964-56-5) is a high-purity analytical reference standard with the molecular formula C6H4BrClO and a molecular weight of 207.45 g/mol.
Based on its molecular formula C6H4BrClO, 4-Bromo-2-Chlorophenol contains 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 207.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4-Bromo-2-Chlorophenol 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 | C6H4BrClO |
| Molecular Weight | 207.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 4-Bromo-3-chlorophenol (CAS 13631-21-5)
- 2-Bromo-5-chlorophenol (CAS 13659-23-9)
- 3-Bromo-4-chlorophenol (CAS 13659-24-0)
- 5-Bromo-2-chlorophenol (CAS 183802-98-4)
- 2-Bromo-3-chlorophenol (CAS 855836-62-3)
- 2-Bromo-4-chlorophenol (CAS 695-96-5)
- 3-Bromo-2-chlorophenol (CAS 863870-87-5)
- 3-Bromo-5-chlorophenol (CAS 56962-04-0)
Recommended Standards
- 2-Bromo-6-chlorophenol (CAS 2040-88-2)
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- 2-Bromo-6-chloropyridin-4-amine (CAS 1060815-59-9)
- N-(2-Bromobenzylidene)aniline (CAS 41077-23-0)
- rel-((2R,3R)-3-Hydroxypyrrolidine-2-carboxylic acid) (CAS 4298-06-0)
- (2-(Dimethylamino)-4-methylthiazol-5-yl)methanol (CAS 1211512-18-3)
- 2,2,2-Trifluoroethyl N-(oxan-4-yl)carbamate (CAS 1479373-40-4)
- 4-Iodo-3-methylbenzonitrile (CAS 42872-85-5)
- 5-Chloro-3-iodopyridazine (CAS 1616070-38-2)
- 2,3-Diaminonaphthalene (CAS 771-97-1)
- 2-(3-Nitro-2-(2-nitrophenyl)-4-oxo-4H-chromen-8-yl)acetic acid (CAS 596108-59-7)
- (1,2-dimethylpropyl)methylamine (CAS 34317-39-0)
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