4-Bromo-3-chloro-2-fluorobenzyl alcohol CAS 1702154-18-4
| CAS No. | 1702154-18-4 |
| Molecular Formula | C7H5BrClFO |
| Molecular Weight | 239.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system, 4-Bromo-3-chloro-2-fluorobenzyl alcohol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 239.47 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4-Bromo-3-chloro-2-fluorobenzyl alcohol (CAS 1702154-18-4), molecular formula C7H5BrClFO and molecular weight 239.47 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), 4-Bromo-3-chloro-2-fluorobenzyl alcohol 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 | C7H5BrClFO |
| Molecular Weight | 239.47 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Cl/Br-containing |
Related Bromo Standards
- (2-Bromo-4-chloro-5-fluorophenyl)methanol (CAS 1067882-62-5)
- 2-Bromo-4-chloro-1-fluoro-3-methoxybenzene (CAS 1208074-84-3)
- 5-Bromo-2-chloro-1-fluoro-3-methoxybenzene (CAS 1261216-28-7)
- 4-Bromo-2-chloro-5-fluorobenzyl alcohol (CAS 1338254-21-9)
- 1-Bromo-4-chloro-3-fluoro-2-methoxybenzene (CAS 1414870-75-9)
- (2-Bromo-4-chloro-6-fluorophenyl)methanol (CAS 1449008-26-7)
- (6-Bromo-3-chloro-2-fluorophenyl)methanol (CAS 1449008-28-9)
- 1-Bromo-4-chloro-2-fluoro-5-methoxybenzene (CAS 146447-18-9)
Recommended Standards
- (4-Bromo-5-chloro-2-fluorophenyl)methanol (CAS 1601858-71-2)
- 1-Bromo-5-chloro-2-fluoro-3-methoxybenzene (CAS 1783528-02-8)
- 2-Bromo-1-(chloromethoxy)-4-fluorobenzene (CAS 1518796-81-0)
- 5-Bromo-1-chloro-2-fluoro-3-methoxybenzene (CAS 1784628-41-6)
- 2-(5-Methylfuran-2-yl)-3-nitroimidazo[1,2-a]pyridine (CAS 63261-10-9)
- 3-Benzyl-5-bromo-1H-pyrrolo[2,3-b]pyridine (CAS 2137929-76-9)
- 2(1H)-pyrimidinone, 5-(2-methylphenoxy)- (CAS 41964-08-3)
- 4-Bromo-1-iododibenzo[b,d]furan (CAS 2096506-51-1)
- 2,3,4,5-Tetramethoxybenzoic acid (CAS 72023-44-0)
- Rivaroxaban Impurity 116 (CAS CATO-C4X-1090116)
- 14013-11-7 6H-Purin-6-one,9-dihydro-9-(phenylmethyl)- 9-Benzyl-9H-purin-6-ol 9-Benzylhypoxanthine 9H-Purin-6-ol, 9-benzyl- Hypoxanthine, 9-benzyl- NSC-212465 NSC212465 WLN: T56 BN DN FN HNJ D1R& IQ (CAS 14013-11-7)
- n-(4-Aminophenyl)-3-(2,5-dioxoimidazolidin-1-yl)propanamide (CAS 953717-77-6)
- 4-Fluoro-1H-pyrrolo[2,3-b]pyridine-6-carboxylic acid (CAS 1190322-19-0)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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