4-Bromo-2-fluoro-1-(methylsulfonyl)benzene CAS 648904-84-1
| CAS No. | 648904-84-1 |
| Molecular Formula | C7H6BrFO2S |
| Molecular Weight | 253.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Bromo-2-fluoro-1-(methylsulfonyl)benzene (CAS 648904-84-1), a certified reference material (molecular formula C7H6BrFO2S, MW 253.09 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H6BrFO2S, 4-Bromo-2-fluoro-1-(methylsulfonyl)benzene contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.09 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.
As a certified reference material (CRM), 4-Bromo-2-fluoro-1-(methylsulfonyl)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.
Physical & Chemical Properties
| Molecular Formula | C7H6BrFO2S |
| Molecular Weight | 253.09 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 1-Bromo-2-fluoro-4-(methylsulfonyl)benzene (CAS 1032825-02-7)
- 2-Bromo-4-fluoro-1-(methylsulfonyl)benzene (CAS 1039744-23-4)
- 2-Bromo-1-(5-methyl-1-benzofuran-2-yl)ethan-1-one (CAS 1178862-94-6)
- 1-Bromo-3-fluoro-5-(methylsulfonyl)benzene (CAS 1207970-78-2)
- 2-Bromo-1-(2-methylbenzofuran-3-yl)ethanone (CAS 124617-51-2)
- 5-Bromo-7-ethyl-2-formyl-benzofuran (CAS 137206-73-6)
- 1-Bromo-3-fluoromethanesulfonylbenzene (CAS 1394022-50-4)
- 2-((2-Bromo-2-methylpropanoyl)oxy)-2-methylpropanoic acid (CAS 1431509-30-6)
Recommended Standards
- 4-bromo-1H,1aH,6H,6aH-cyclopropa[a]indene-1-carboxylic acid (CAS 2059941-40-9)
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- 4-Bromo-1-fluoro-2-(methylsulphonyl)benzene (CAS 914636-38-7)
- 4-chloro-2,5-difluorobenzene-1-sulfonyl chloride (CAS 286932-78-3)
- 1-(Tert-butyl)-3-methylazetidin-3-ol (CAS 35197-00-3)
- 2-(4-(Dimethylamino)piperidin-1-yl)-3-fluorobenzaldehyde (CAS 1707580-93-5)
- 5-(3,5-Difluorophenyl)nicotinaldehyde (CAS 1346691-79-9)
- 6-Chloro-5-methoxy-indolin (CAS 1369041-89-3)
- 3-(2-methyl-2H-1,2,3-triazol-4-yl)propan-1-amine (CAS 1803610-47-0)
- 2-(5-(3-Ethoxy-4-propoxybenzylidene)-6-oxo-5,6-dihydrothiazolo[3,2-b][1,2,4]triazol-2-yl)phenyl acetate (CAS 617695-89-3)
- Ethyl 3-methylazetidine-3-carboxylate hydrochloride (CAS 2126161-82-6)
- 3-(4-Fluorophenyl)-3-oxo-2-(4-pyridinyl)propanenitrile (CAS 148671-42-5)
- 3-methylpyrazine-2-carbaldehyde (CAS 25513-93-3)
- Nonapeptide-1 (CAS 158563-45-2)
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