3-Bromo-5-(chlorosulfonyl)-4-fluorobenzoic acid CAS 869529-35-1
| CAS No. | 869529-35-1 |
| Molecular Formula | C7H3BrClFO4S |
| Molecular Weight | 317.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Bromo-5-(chlorosulfonyl)-4-fluorobenzoic acid (CAS 869529-35-1), a certified reference material (molecular formula C7H3BrClFO4S, MW 317.52 g/mol) for analytical method development and quality control.
Structurally, 3-Bromo-5-(chlorosulfonyl)-4-fluorobenzoic acid (C7H3BrClFO4S) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 317.52 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Bromo-5-(chlorosulfonyl)-4-fluorobenzoic acid 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 | C7H3BrClFO4S |
| Molecular Weight | 317.52 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1987 |
| Halogen Content | F/Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-5-(chlorosulfonyl)-2-fluorobenzoic acid (CAS 1099186-78-3)
- 4-Bromo-3-(chlorosulfonyl)-5-fluorobenzoic acid (CAS 1242338-82-4)
- 3-Bromo-5-(chlorosulfonyl)-2-fluorobenzoic acid (CAS 1242339-96-3)
- Methyl 8-bromo-6-chloro-2-oxo-2H-chromene-3-carboxylate (CAS 1427460-59-0)
- 2-Bromo-3-(chlorosulfonyl)-5-fluorobenzoic acid (CAS 926194-65-2)
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- CAS 2230788-62-0 (CAS 2230788-62-0)
- 2-Fluoro-5-(methylthio)nicotinaldehyde (CAS 1289144-87-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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