5-bromo-4-fluoro-2-nitrobenzene-1-sulfonyl chloride CAS 1603249-26-8
| CAS No. | 1603249-26-8 |
| Molecular Formula | C6H2BrClFNO4S |
| Molecular Weight | 318.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5-bromo-4-fluoro-2-nitrobenzene-1-sulfonyl chloride (CAS 1603249-26-8), a certified reference material (molecular formula C6H2BrClFNO4S, MW 318.50 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H2BrClFNO4S, 5-bromo-4-fluoro-2-nitrobenzene-1-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 318.50 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.
As a certified reference material (CRM), 5-bromo-4-fluoro-2-nitrobenzene-1-sulfonyl 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 | C6H2BrClFNO4S |
| Molecular Weight | 318.50 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related bromo Standards
- 1-Bromo-4-chloro-7,8-difluoroimidazo[1,2-a]quinoxaline (CAS 1254196-54-7)
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Recommended Standards
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- MTX-211 (CAS 1952236-05-3)
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- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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