3-Acetyl-5-methoxybenzenesulfonyl chloride CAS 85276-42-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 85276-42-2 |
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Acetyl-5-methoxybenzenesulfonyl chloride (CAS 85276-42-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9ClO4S. Molecular weight: 248.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9ClO4S |
| 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 |
| 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.) | 1981 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Acetyl-4-methoxybenzene-1-sulfonyl chloride (CAS 85276-43-3)
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- 4-(1H-Benzo[d]imidazol-1-yl)but-3-en-2-one (CAS 21035-96-1)
- 2,4-Diiodo-6-(methylsulfonyl)phenyl hexanoate (CAS 400087-36-7)
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- (Cyclopropylmethyl)hydrazine hemioxalate (CAS 2173992-09-9)
- 4-Methoxy-2-nitro-biphenyl (CAS 16098-16-1)
- 6-Butyl-2-(3-thienyl)-1,3,6,2-dioxazaborocane (CAS 1379794-75-8)
- (D-Ala2)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 444073-04-5)
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