2-Chloro-5-formylbenzenesulfonic acid CAS 80284-63-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 80284-63-5 |
| Molecular Formula | C7H5ClO4S |
| Molecular Weight | 220.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-formylbenzenesulfonic acid (CAS 80284-63-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H5ClO4S. Molecular weight: 220.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H5ClO4S |
| Molecular Weight | 220.63 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 2-(Chlorosulfonyl)benzoic acid (CAS 63914-81-8)
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- 4-(chlorocarbonyl)benzenesulfonic acid (CAS 89692-74-0)
- 6-Bromo-3-chloroquinoxalin-2-amine (CAS 1083181-47-8)
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- 4-(Methylthio)-1-(prop-2-yn-1-yl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 328390-10-9)
- Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 330456-24-1)
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