2-Bromo-4'-chloro-4-fluoro-1,1'-biphenyl CAS 2379321-84-1
| CAS No. | 2379321-84-1 |
| Molecular Formula | C12H7BrClF |
| Molecular Weight | 285.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to fluorine/chlorine/bromine substitution, an aromatic ring system, 2-Bromo-4'-chloro-4-fluoro-1,1'-biphenyl is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 285.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
2-Bromo-4'-chloro-4-fluoro-1,1'-biphenyl (CAS 2379321-84-1) is a high-purity analytical reference standard with the molecular formula C12H7BrClF and a molecular weight of 285.54 g/mol.
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 | C12H7BrClF |
| Molecular Weight | 285.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F/Cl/Br-containing |
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Recommended Standards
- 4-(N-Boc-N-methylamino)-2-chlorophenylboronic acid (CAS 2377608-67-6)
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- 1,3,8-Trichloro-6-methyldibenzo[b,d]furan (CAS 118174-38-2)
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- 1-(2-Bromo-5-chlorophenyl)piperazine (CAS 1538703-71-7)
- 2-Iodo-6-methoxypyridine (CAS 182275-70-3)
- 5-(Methoxymethyl)isoxazole-3-carbohydrazide (CAS 625120-12-9)
- Acetic acid, 2-oxo-2-(propylamino)-, ethyl ester (CAS 20943-65-1)
- 1-(3-Methoxybenzyl)cyclopropan-1-amine (CAS 1017321-32-2)
- Peptide 434 (CAS CATO-CPTD788434)
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