2-chloro-6-methoxybenzene-1-sulfonyl chloride CAS 491850-54-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 491850-54-5 |
| Molecular Formula | C7H6Cl2O3S |
| Molecular Weight | 241.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-chloro-6-methoxybenzene-1-sulfonyl chloride (CAS 491850-54-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H6Cl2O3S. Molecular weight: 241.09 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H6Cl2O3S |
| Molecular Weight | 241.09 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.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related chloro Standards
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- 2-Chloro-3-methoxybenzenesulfonyl chloride (CAS 1261581-13-8)
- 2-Chloro-4-methoxybenzene-1-sulfonyl chloride (CAS 23094-94-2)
- 3-Chloro-2-methoxybenzenesulfonyl chloride (CAS 847652-81-7)
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- 4-Chloro-3-methoxybenzene-1-sulfonyl chloride (CAS 942199-60-2)
- 5-Chloro-2-methoxybenzenesulfonyl chloride (CAS 22952-32-5)
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Recommended Standards
- 3-Bromo-1-ethyl-1H-pyrazolo[4,3-c]pyridin-4-amine (CAS 2485720-24-7)
- 2,6-Dichloro-4-(methylsulfonyl)phenol (CAS 20951-05-7)
- 3-Bromo-N,N-dimethylimidazo[1,2-a]pyrazin-5-amine (CAS 787590-56-1)
- 2-Oxaspiro[4.5]decan-1-one (CAS 4420-11-5)
- 6-Bromo-2-methylquinoline-4-carboxylic acid (CAS 37509-21-0)
- 2,4,6-Triiodobenzenesulfonamide (CAS 1099632-52-6)
- 1-(1-Ethyl-3,5-dimethyl-1h-pyrazol-4-yl)ethan-1-amine (CAS 936940-41-9)
- 6-Bromobenzo[d][1,3]dioxol-5-ol (CAS 6941-70-4)
- Carbazochrome Impurity 39 (CAS CATO-C4X-229139)
- Semaglutide impurity 22(OtBu-Ste-γGlu(OtBu)-AEEA-AEEA-OH) (CAS 1118767-16-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com