1-Bromo-3-(chloromethyl)-2,4,5,6-tetrafluorobenzene CAS 292621-52-4
| CAS No. | 292621-52-4 |
| Molecular Formula | C7H2BrClF4 |
| Molecular Weight | 277.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-Bromo-3-(chloromethyl)-2,4,5,6-tetrafluorobenzene (CAS 292621-52-4), a certified reference material (molecular formula C7H2BrClF4, MW 277.44 g/mol) for analytical method development and quality control.
The molecular framework of 1-Bromo-3-(chloromethyl)-2,4,5,6-tetrafluorobenzene (C7H2BrClF4) is characterized by fluorine/chlorine/bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C7H2BrClF4 |
| Molecular Weight | 277.44 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.) | 2025 |
| Halogen Content | F/Cl/Br-containing |
Related Bromo Standards
- 3-Bromo-2-chloro-5-fluorobenzotrifluoride (CAS 1027511-98-3)
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- 1-Bromo-4-chloro-5-fluoro-2-(trifluoromethyl)benzene (CAS 2169320-40-3)
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Recommended Standards
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- Methyl 2-(pyridin-2-yl)pyrimidine-5-carboxylate (CAS 1068976-90-8)
- 7-Amino-2,2-dimethylchroman-4-one (CAS 1216055-97-8)
- Methyl 2-(3-hydroxypiperidin-1-yl)acetate (CAS 1247591-21-4)
- 3-Benzyl-3-azabicyclo[3.2.1]octane-8-carboxylic acid (CAS 1375471-52-5)
- 4-((2-Chloro-3-phenylallylidene)amino)-3-(furan-2-yl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478253-73-5)
- 2-{[2-(3,4,5-Trimethoxybenzoyl)hydrazino]carbonyl}cyclohexanecarboxylic acid (CAS 492441-21-1)
- Benzyl (S)-2-carbamoylpiperidine-1-carboxylate (CAS 61703-39-7)
- Ethyl 2-bromo-5-formylbenzoate (CAS 1808157-96-1)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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