Sodium 2-chloro-5-formylbenzenesulfonate CAS 40566-58-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 40566-58-3 |
| Molecular Formula | C7H4ClO4S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sodium 2-chloro-5-formylbenzenesulfonate (CAS 40566-58-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H4ClO4S Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H4ClO4S Na |
| Molecular Weight | 242.61 g/mol |
| Purity | >95% |
| 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 2-(cyclopentylamino)acetate (CAS 190904-15-5)
- 5-bromo-7-fluoro-1H-indazole (CAS 1260381-83-6)
- Atrasentan Impurity 99 (CAS 1059043-90-1)
- 1-(6-(2,4-Dichlorobenzyl)pyridazin-3-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine (CAS 321385-79-9)
- tert-Butyl 4-hydroxyoctahydro-1H-indole-1-carboxylate (CAS 1821237-04-0)
- Mivacurium chloride Impurity 35 (CAS CATO-C4X-137535)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com