2-Bromo-4-chloro-5-fluorobenzenesulfonyl chloride CAS 874801-47-5
| CAS No. | 874801-47-5 |
| Molecular Formula | C6H2BrCl2FO2S |
| Molecular Weight | 307.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Bromo-4-chloro-5-fluorobenzenesulfonyl chloride (C6H2BrCl2FO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 307.95 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2-Bromo-4-chloro-5-fluorobenzenesulfonyl chloride (CAS 874801-47-5), a certified reference material (molecular formula C6H2BrCl2FO2S, MW 307.95 g/mol) for analytical method development and quality control.
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), 2-Bromo-4-chloro-5-fluorobenzenesulfonyl chloride 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 | C6H2BrCl2FO2S |
| Molecular Weight | 307.95 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1987 |
| Halogen Content | F/Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-chloro-4-fluorobenzenesulfonyl chloride (CAS 1019018-84-8)
- 5-Bromo-4-chloro-2-fluoro-benzenesulfonyl chloride (CAS 1070972-67-6)
- 5-Bromo-2-chloro-4-fluorobenzenesulfonyl chloride (CAS 1123307-06-1)
- 4-Bromo-5-chloro-2-fluorobenzenesulfonyl Chloride (CAS 1208075-41-5)
- 4-Bromo-2-chloro-5-fluorobenzenesulfonyl chloride (CAS 1208076-22-5)
- 2-bromo-6-chloro-4-fluorobenzene-1-sulfonyl chloride (CAS 1208076-43-0)
- 4-Bromo-2-chloro-6-fluorobenzenesulfonyl chloride (CAS 1208077-03-5)
- 4-Bromo-3-chloro-2-fluorobenzene-1-sulfonyl chloride (CAS 1208077-08-0)
Recommended Standards
- 3,6-Dibromo-5-fluoro-1-methyl-1H-indazole (CAS 1286734-91-5)
- 4-Bromo-2-chloro-3-fluorobenzenesulfonyl chloride (CAS 2386140-42-5)
- 5-Bromo-3-chloro-2-fluorobenzenesulfonyl chloride (CAS 2386664-25-9)
- 6-Bromo-2,5-dichloro-8-methoxyquinazoline (CAS 1036755-87-9)
- tert-Butyl 3-((1-(2-hydroxyethyl)cyclopropyl)methoxy)propanoate (CAS 2734864-28-7)
- 2,6-Bis((R)-4-cyclohexyl-4,5-dihydrooxazol-2-yl)pyridine (CAS 2471850-55-0)
- 1-(6-(2-Methoxyphenyl)pyridazin-3-yl)piperidin-4-amine (CAS 1338677-56-7)
- 2,4-dimethyloxetan-3-one (CAS 1616661-30-3)
- N-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-phenylacetamide (CAS 92447-25-1)
- N-[2-(4,4-Difluoropiperidin-1-yl)ethyl]acetamide (CAS 1822673-37-9)
- delta-HCH (CAS CATO-LCPD103031-HE)
- Ganciclovir EP Impurity E (CAS 86357-09-7)
- 5-Chloroquinoline-8-carbaldehyde (CAS 1260794-21-5)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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