1-Bromo-4-chloro-2-(trifluoromethyl)benzene CAS 344-65-0
| CAS No. | 344-65-0 |
| Molecular Formula | C7H3BrClF3 |
| Molecular Weight | 259.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-Bromo-4-chloro-2-(trifluoromethyl)benzene 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.
1-Bromo-4-chloro-2-(trifluoromethyl)benzene (CAS 344-65-0) is a high-purity analytical reference standard with the molecular formula C7H3BrClF3 and a molecular weight of 259.45 g/mol.
Based on its molecular formula C7H3BrClF3, 1-Bromo-4-chloro-2-(trifluoromethyl)benzene contains fluorine/chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 259.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C7H3BrClF3 |
| Molecular Weight | 259.45 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 |
| 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.) | 1957 |
| Halogen Content | F/Cl/Br-containing |
Related Bromo Standards
- 2-Bromo-4-chlorobenzotrifluoride (CAS 1099597-32-6)
- 1-Bromo-5-chloro-4-(difluoromethyl)-2-fluorobenzene (CAS 1214352-75-6)
- 1-Bromo-4-chloro-2-(difluoromethyl)-3-fluorobenzene (CAS 1628524-81-1)
- 1-Bromo-5-chloro-3-(difluoromethyl)-2-fluorobenzene (CAS 1805478-59-4)
- 5-Bromo-1-chloro-3-(difluoromethyl)-2-fluorobenzene (CAS 1805478-66-3)
- 2-Bromo-4-chloro-1-(difluoromethyl)-3-fluorobenzene (CAS 1807017-59-9)
- 1-Bromo-2-chloro-3-(difluoromethyl)-5-fluorobenzene (CAS 1807017-64-6)
- 1-Bromo-4-chloro-3-(difluoromethyl)-2-fluorobenzene (CAS 943830-37-3)
Recommended Standards
- 2-Bromo-3-chlorobenzotrifluoride (CAS 384-16-7)
- 2-Bromo-6-chlorobenzotrifluoride (CAS 857061-44-0)
- 3-Bromo-2-chlorobenzotrifluoride (CAS 56131-47-6)
- 3-Bromo-4-chlorobenzotrifluoride (CAS 454-78-4)
- 4'-Chloro-3-nitro-[1,1'-biphenyl]-4-amine (CAS 31433-98-4)
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- (S)-Oxazolidine-4-carboxylic acid hydrochloride (CAS 162285-30-5)
- (E)-(2-Nitrovinyl)cyclopropane (CAS 154242-19-0)
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- 2,6-Di-Tert-Butylphenol (CAS 128-39-2)
- N,N-Bis(9,9-dimethyl-9H-fluoren-2-yl)perylen-3-amine (CAS 558453-97-7)
- (1R,3r)-3-(3-bromo-2-fluorophenyl)cyclobutan-1-ol (CAS 2434720-17-7)
- Oxetane-3,3-diyldimethanamine dihydrobromide (CAS 93169-36-9)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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