5-chloro-2-methoxy-4-methylbenzene-1-sulfonyl chloride CAS 889939-48-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 889939-48-4 |
| Molecular Formula | C8H14Cl2O3S |
| Molecular Weight | 261.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-chloro-2-methoxy-4-methylbenzene-1-sulfonyl chloride (CAS 889939-48-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H14Cl2O3S. Molecular weight: 261.17 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H14Cl2O3S |
| Molecular Weight | 261.17 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 | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Amino-3-isopropylphenylboronic acid pinacol ester (CAS 2121513-20-8)
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- 1-(Cyclopropylmethyl)-4-(ethoxymethyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine (CAS 1422059-83-3)
- (5-Methoxy-2,3-dihydrobenzofuran-2-yl)methanamine (CAS 29027-39-2)
- 2-Amino-1-(1h-pyrrol-2-yl)ethan-1-one (CAS 861591-86-8)
- 3-(2,3-Dimethylphenoxy)propan-1-amine (CAS 953745-19-2)
- 1-Aminocyclopropanemethanol Hydrochloride (CAS 115652-52-3)
- Carfilzomib Impurity 61 (CAS 2049025-67-2)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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