4-Amino-5-hydroxynaphthalene-1-sulfonic acid CAS 83-64-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83-64-7 |
| Molecular Formula | C10H9NO4S |
| Molecular Weight | 239.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Amino-5-hydroxynaphthalene-1-sulfonic acid (CAS 83-64-7) pharmaceutical standards reference standard. Molecular formula: C10H9NO4S. Molecular weight: 239.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C10H9NO4S |
| Molecular Weight | 239.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- Ethyl 4-phenyl-2-(p-tolyl)thiazole-5-carboxylate (CAS 402567-89-9)
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- Trimethyl((2-((tetrahydro-2H-pyran-2-yl)oxy)phenyl)ethynyl)silane (CAS 196106-30-6)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
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