Sodium 4-amino-5-hydroxynaphthalene-2,7-disulfonate CAS 3963-80-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3963-80-2 |
| Molecular Formula | C10H7NO7S2 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Sodium 4-amino-5-hydroxynaphthalene-2,7-disulfonate (CAS 3963-80-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H7NO7S2 2*Na. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H7NO7S2 2*Na |
| Molecular Weight | 340.28 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4’-Nitrobiphenyl-4-methanol (CAS 62037-99-4)
- 6-Chloro-N-(2-methoxybenzyl)pyrimidin-4-amine (CAS 945896-53-7)
- 2-Boc-2,8-diazaspiro[5.5]undecane (CAS 954240-14-3)
- 4-(Oxolan-3-yl)-1H-pyrazole (CAS 2097937-75-0)
- N-(2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)butan-1-amine (CAS 1256359-08-6)
- Buserelin EP Impurity E (CAS CATO-C4X-22125)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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