1-Naphthol-4-sulfonic acid CAS 84-87-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 84-87-7 |
| Molecular Formula | C10H8O4S |
| Molecular Weight | 224.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Naphthol-4-sulfonic acid (CAS 84-87-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H8O4S. Molecular weight: 224.23 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H8O4S |
| Molecular Weight | 224.23 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 |
| Sulfur Atoms | 1 |
Related Naphthol Standards
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Recommended Standards
- 1-[6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methanamine (CAS 889943-45-7)
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- 1-(5-Fluoro-2-nitrophenyl)piperidine (CAS 854044-35-2)
- 3-(2-(4-(3,4-Dichlorophenyl)piperazin-1-yl)ethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate (CAS 91040-25-4)
- tert-Butyl 1-(aminomethyl)-8,9-dihydro-5H-imidazo[1,5-d][1,4]diazepine-7(6H)-carboxylate (CAS 1251009-39-8)
- 5-(2-Methanesulfonamidoethyl)thiophene-2-carboxylic acid (CAS 875157-42-9)
- 4,5-Dichlorothiazole-2-carbonitrile (CAS 62019-53-8)
- 3,4-Dihydro-2h-1,4-benzoxazine-2-carboxamide (CAS 13582-93-9)
- Cathepsin inhibitor 1 (CAS 225120-65-0)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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