5-amino-2-naphthalenesulfonic acid CAS 119-79-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 119-79-9 |
| Molecular Formula | C10H19NO3S |
| Molecular Weight | 233.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-amino-2-naphthalenesulfonic acid (CAS 119-79-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H19NO3S. Molecular weight: 233.33 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H19NO3S |
| Molecular Weight | 233.33 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- beta-Guaiene (CAS 88-84-6)
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- Voriconazole Impurity 60 (CAS CATO-C4X-136660)
- 2-((1-(Tert-butyl)-1h-tetrazol-5-yl)thio)acetonitrile (CAS 1197608-86-8)
- Cinacalcet Impurity 57 (CAS 2200269-28-7)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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