3-Hydroxynaphthalene-1-sulfonic acid CAS 6357-85-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6357-85-3 |
| Molecular Formula | C10H8O4S |
| Molecular Weight | 224.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Hydroxynaphthalene-1-sulfonic acid (CAS 6357-85-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H8O4S. Molecular weight: 224.23 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1958 |
| Sulfur Atoms | 1 |
Related Hydroxynaphthalene Standards
- 8-Hydroxynaphthalene-1-sulfonic acid (CAS 117-22-6)
- 7-Hydroxynaphthalene-1-sulfonic acid (CAS 132-57-0)
- 2-Hydroxynaphthalene-1-sulfonic acid (CAS 567-47-5)
- 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
- 3-Fluoro-4-(morpholine-4-carbonyl)aniline (CAS 934601-04-4)
- 4-(2-Fluoro-4-nitrophenyl)piperidine (CAS 721958-60-7)
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- 2-Bromo-5-hydroxybenzaldehyde 5-O-(2-Methoxyethoxymethyl) Ether (CAS 1797130-69-8)
- 5-[4-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1016504-27-0)
- 2-(4-(Aminomethyl)piperidin-1-yl)-N-isopropylacetamide (CAS 1019340-95-4)
- Tert-butyl 1-phenylhydrazine-1-carboxylate (CAS 226065-37-8)
- (3-Phenyl-1H-pyrazol-1-yl)methanol (CAS 150704-06-6)
- (3,5-Dimethylthiophen-2-yl)(thiophen-2-yl)methanol (CAS 944651-88-1)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
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