2-Hydroxy-3-Methoxybenzenesulfonic Acid Potassium Salt CAS 859188-04-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 859188-04-8 |
| Molecular Formula | C7H7O5S K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Hydroxy-3-Methoxybenzenesulfonic Acid Potassium Salt (CAS 859188-04-8) pharmaceutical standards reference standard. Molecular formula: C7H7O5S K. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H7O5S K |
| Molecular Weight | 242.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
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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