2-Chloro-4-formyl-6-methoxyphenyl benzenesulfonate CAS 443664-40-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 443664-40-2 |
| Molecular Formula | C14H11ClO5S |
| Molecular Weight | 326.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-4-formyl-6-methoxyphenyl benzenesulfonate (CAS 443664-40-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H11ClO5S. Molecular weight: 326.75 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H11ClO5S |
| Molecular Weight | 326.75 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(4-Chlorobenzenesulfonyl)-1-(2,4-dihydroxyphenyl)ethan-1-one (CAS 1979386-49-6)
- 2-Formyl-6-methoxyphenyl 4-chlorobenzenesulfonate (CAS 431939-69-4)
- 3-(5-(4-Chlorophenyl)furan-2-yl)-1-(4-fluorophenyl)prop-2-en-1-one (CAS 304896-57-9)
- 67321-81-7 541C150APR Oxygen O-17 UNII-541C150APR Oxygen, mol. (17O2) (CAS 67321-81-7)
- 9H-Purine, 2,6-difluoro- (CAS 1146697-82-6)
- 1-(2-Fluorophenyl)prop-2-yn-1-amine (CAS 1420793-91-4)
- Ethyl 2-(4-Fluorophenyl)-2-hydroxypropanoate (CAS 1250617-74-3)
- Kukoamine Impurity 9 (CAS CATO-C4X-22969)
- Progesterone-2,3,4-13C3 (CAS 327048-87-3)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
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