1-Bromo-2,4-dichloro-5-(trifluoromethyl)benzene CAS 393-45-3
| CAS No. | 393-45-3 |
| Molecular Formula | C7H2BrCl2F3 |
| Molecular Weight | 293.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 293.90 g/mol gives 1-Bromo-2,4-dichloro-5-(trifluoromethyl)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-2,4-dichloro-5-(trifluoromethyl)benzene (CAS 393-45-3), molecular formula C7H2BrCl2F3 and molecular weight 293.90 g/mol, is a CATO reference standard with documented purity and traceability.
1-Bromo-2,4-dichloro-5-(trifluoromethyl)benzene (C7H2BrCl2F3) contains fluorine/chlorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 | C7H2BrCl2F3 |
| Molecular Weight | 293.90 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
- 4-Bromo-3,5-dichlorobenzotrifluoride (CAS 118754-53-3)
- 1-Bromo-2,5-dichloro-4-(trifluoromethyl)benzene (CAS 1349716-95-5)
- 2-Bromo-4,5-dichlorobenzotrifluoride (CAS 1809157-92-3)
- 1-Bromo-2,3-dichloro-5-(trifluoromethyl)benzene (CAS 401-91-2)
- 2-Bromo-1,3-dichloro-4-(trifluoromethyl)benzene (CAS 859794-59-5)
- 3-Bromo-2,5-dichlorobenzotrifluoride (CAS 2168432-60-6)
- 5-Bromo-1,2-dichloro-3-(trifluoromethyl)benzene (CAS 392-89-2)
- 5-Bromo-1,3-dichloro-2-(trifluoromethyl)benzene (CAS 2169186-20-1)
Recommended Standards
- 3,6-Dibromo-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 96555-36-1)
- 5,7-Dibromoimidazo[5,1-f][1,2,4]triazin-4(1H)-one (CAS 2031138-94-8)
- Calcium iodide (CAS 10102-68-8)
- Homosibutramine (CAS 935888-80-5)
- 1-(3-(3-Aminooxetan-3-yl)phenyl)ethanone hydrochloride (CAS 1384264-27-0)
- Tegaserod Maleate (CAS 189188-57-6)
- Methyl 3-(2-Pyridyl)propiolate (CAS 72764-93-3)
- Metrenperone (CAS 81043-56-3)
- (1R)-Quinolin-4-yl((2S,4S,5R)-5-vinylquinuclidin-2-yl)methanol dihydrochloride (CAS 24302-67-8)
- Ac-Ala-Ala-Pro-Phe-pNA (CAS 70967-94-1)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(2,5-dimethoxyphenyl)ethanone (CAS 477329-10-5)
- 1-Bromo-2-(dimethoxymethyl)-4-nitrobenzene (CAS 115972-68-4)
- 1-(3-Methyl-4H-benzo[b][1,4]thiazin-2-yl)ethan-1-one (CAS 31645-94-0)
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