5-Amino-4-hydroxynaphthalene-2-sulfonic acid CAS 35400-55-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 35400-55-6 |
| Molecular Formula | C18H38N12O4 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Amino-4-hydroxynaphthalene-2-sulfonic acid (CAS 35400-55-6) pharmaceutical standards reference standard. Molecular formula: C18H38N12O4 HCl. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H38N12O4 HCl |
| Molecular Weight | 523.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 12 |
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Why CATO?
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com