2-Hydroxynaphthalene-1-sulfonic acid CAS 567-47-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 567-47-5 |
| Molecular Formula | C10H8O4S |
| Molecular Weight | 224.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxynaphthalene-1-sulfonic acid (CAS 567-47-5) 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 Hydroxynaphthalene Standards
- 8-Hydroxynaphthalene-1-sulfonic acid (CAS 117-22-6)
- 7-Hydroxynaphthalene-1-sulfonic acid (CAS 132-57-0)
- 3-Hydroxynaphthalene-1-sulfonic acid (CAS 6357-85-3)
- 4-Hydroxynaphthalene-2-sulfonic acid (CAS 3771-14-0)
- 6-Hydroxynaphthalene-2-sulphonic acid (CAS 93-01-6)
- 7-Hydroxynaphthalene-2-sulfonic acid (CAS 92-40-0)
- 5-Hydroxynaphthalene-1-Sulfonic Acid (CAS 117-59-9)
- 2-Benzyl-3-hydroxynaphthalene-1,4-dione (CAS 15451-41-9)
Recommended Standards
- 2-[(4-Fluorophenyl)methyl]oxolane-2-carboxylic acid (CAS 2024359-30-4)
- 3-(1,3-Dioxolan-2-yl)-1-(3-fluorophenyl)propan-1-one (CAS 842124-02-1)
- 2-(4-Fluorophenyl)quinoxaline (CAS 449-46-7)
- 2-Phenylimidazo[1,2-a]quinoline (CAS 74944-11-9)
- Meliasenin B (CAS 1221262-77-6)
- 2-Chloro-3-(difluoromethyl)-5-fluoropyridine (CAS 1374659-31-0)
- 4-Fluoro-3-methoxybenzamide (CAS 874804-32-7)
- tert-Butyl 3-(4,4-difluoro-1-piperidyl)-azetidine-1-carboxylate (CAS 1257293-84-7)
- Phenylmercury 2-Ethylhexanoate (CAS 13302-00-6)
- α Bag Cell Peptide (1-9) (CAS 87549-52-8)
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