4-(Chlorosulfonyl)-3-fluorobenzoic acid CAS 244606-33-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 244606-33-5 |
| Molecular Formula | C7H4ClFO4S |
| Molecular Weight | 238.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Chlorosulfonyl)-3-fluorobenzoic acid (CAS 244606-33-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4ClFO4S. Molecular weight: 238.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4ClFO4S |
| Molecular Weight | 238.62 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| 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.) | 2025 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
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- 5-(Chlorosulfonyl)-2-fluorobenzoic Acid (CAS 37098-75-2)
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Recommended Standards
- 3-chloro-4-(fluorosulfonyl)benzoic acid (CAS 33866-05-6)
- 4-Chloro-3-(fluorosulfonyl)benzoic acid (CAS 2494-80-6)
- 4-Chloro-5-(trifluoromethyl)thieno[2,3-d]pyrimidine (CAS 917909-58-1)
- (4-Amino-2-methylpyrimidin-5-yl)dimethylphosphine oxide (CAS 2418642-39-2)
- 5-[(t-Butoxy)carbonyl]pyridine-2-carboxylic acid (CAS 1415819-86-1)
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- 3-Fluoro-4-cyclopropylaminobenzeneboronic acid pinacol ester, 97% (CAS 1220696-23-0)
- Methyl 5-acetyl-2,4-dimethyl-1H-pyrrole-3-carboxylate (CAS 62264-99-7)
- 4-(Pyrimidin-2-yl)thiomorpholine-3-carboxylic acid (CAS 1543574-40-8)
- D-Pro36-Tirzepatide (CAS CATO-CPTD788903)
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