3,4-Difluoro-2-hydroxybenzene-1-sulfonyl chloride CAS 1781204-73-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1781204-73-6 |
| Molecular Formula | C6H3ClF2O3S |
| Molecular Weight | 228.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4-Difluoro-2-hydroxybenzene-1-sulfonyl chloride (CAS 1781204-73-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H3ClF2O3S. Molecular weight: 228.60 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H3ClF2O3S |
| Molecular Weight | 228.60 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Difluoro Standards
- 2,6-Difluoro-4-hydroxybenzene-1-sulfonyl chloride (CAS 1261477-88-6)
- 3,6-Difluoro-2-hydroxybenzene-1-sulfonyl chloride (CAS 1261825-33-5)
- 3,5-difluoro-2-hydroxybenzene-1-sulfonyl chloride (CAS 165661-51-8)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com