6-Hydroxypyridine-3-sulfonic acid CAS 6684-46-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6684-46-4 |
| Molecular Formula | C5H5NO4S |
| Molecular Weight | 175.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Hydroxypyridine-3-sulfonic acid (CAS 6684-46-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5NO4S. Molecular weight: 175.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5NO4S |
| Molecular Weight | 175.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxypyridine Standards
- 5-Hydroxypyridine-2-sulfonic acid (CAS 139263-48-2)
- 2-Hydroxypyridine-3-sulfonic acid (CAS 6684-45-3)
- 3-Hydroxypyridine-2-sulfonic acid (CAS 88511-41-5)
- 3-Hydroxypyridine-4-sulfonamide (CAS 1076197-13-1)
- 5-Hydroxypyridine-2-sulfonamide (CAS 1243461-98-4)
- 3-hydroxypyridine-2-sulfonamide (CAS 145099-44-1)
- 2-hydroxypyridine-3-sulfonamide (CAS 1566403-08-4)
- 6-Hydroxypyridine-3-sulfonamide (CAS 89322-91-8)
Recommended Standards
- 6-Fluoroquinoline-8-carbaldehyde (CAS 22934-42-5)
- 7-Fluoroquinoline-2-carbaldehyde (CAS 904369-25-1)
- 6-Fluoroquinoline-4-carbaldehyde (CAS 482586-86-7)
- 3-{3-cyano-1-[(4-methoxyphenyl)methyl]-4,5-dimethyl-1H-pyrrol-2-yl}-1-(3,4-dichlorophenyl)urea (CAS 866038-94-0)
- 2-(Difluoromethyl)-3-fluoro-6-methoxypyridine-4-acetic acid (CAS 1805442-12-9)
- N-(3,5-Dichloropyridin-4-yl)-2-[1-(4-fluorobenzyl)-5-hydroxy-1H-indol-3-yl]-2-oxo-acetamide (CAS 257892-33-4)
- 2-Chloroisophthalaldehyde (CAS 170879-73-9)
- 7-Chloro-5-nitro-3H-imidazo[4,5-b]pyridine (CAS 878011-46-2)
- Bis(cyclopentadienyl)zirconium(IV) chloride dutride (CAS 80789-51-1)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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