3-(Difluoromethoxy)benzene-1-sulfonyl chloride CAS 351003-38-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 351003-38-8 |
| Molecular Formula | C7H11ClF2O3S |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(Difluoromethoxy)benzene-1-sulfonyl chloride (CAS 351003-38-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H11ClF2O3S. Molecular weight: 248.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H11ClF2O3S |
| Molecular Weight | 248.68 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 | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(chlorosulfonyl)-4-ethylbenzoic acid (CAS 500596-03-2)
- 3,4-Dihydro-2H-1,5-benzodioxepine-7-sulfonyl chloride (CAS 321309-38-0)
- 3-(Chlorosulfonyl)-2,6-dimethylbenzoic acid (CAS 866358-15-8)
- N-Ethyl-1-methyl-4-nitro-1H-imidazol-2-amine (CAS 371939-78-5)
- Methyl (S)-4-methylenepyrrolidine-2-carboxylate hydrochloride (CAS 84348-41-4)
- 2-Amino-pyridine-3,5-dicarboxylic acid hydrochloride (CAS 1172443-67-2)
- N,N'-DIboc-2-amino-6-fluorobenzonitrile (CAS 1313712-57-0)
- 6-Bromo-4-hydroxypyridine-3-carbaldehyde (CAS 1260665-55-1)
- Ethyl 5-benzyl-6-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-3-carboxylate (CAS 1353502-11-0)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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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