2,4-Dihydroxypyridine CAS 626-03-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 626-03-9 |
| Molecular Formula | C5H5NO2 |
| Molecular Weight | 111.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,4-Dihydroxypyridine (CAS 626-03-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5NO2. Molecular weight: 111.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5NO2 |
| Molecular Weight | 111.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Dihydroxypyridine Standards
- 2,6-Dihydroxypyridine (CAS 626-06-2)
- 3,5-Dihydroxypyridine (CAS 3543-02-0)
- 2,3-Dihydroxypyridine (CAS 16867-04-2)
- 2,6-Dihydroxypyridine-4-carboxamide (CAS 14533-64-3)
- 4,6-dihydroxypyridine-2-carboxylic acid (CAS 27347-88-2)
- 5,6-Dihydroxypyridine-2-carboxylic Acid (CAS 63430-18-2)
- methyl 5,6-dihydroxypyridine-2-carboxylate (CAS 1260883-63-3)
- methyl 4,5-dihydroxypyridine-2-carboxylate (CAS 527681-11-4)
Recommended Standards
- Lamivudine EP Impurity E (CAS 71-30-7)
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- 1-Amino-2-((4-aminophenyl)amino)-8-chloroanthracene-9,10-dione (CAS 88653-26-3)
- N-methyl-3-nitro-4-(1H-pyrazol-1-yl)benzamide (CAS 321534-63-8)
- 4-Chloro-N-(2-(4-methylpiperazin-1-yl)phenyl)benzamide (CAS 400076-87-1)
- 1-(Bromomethyl)-1-cyclobutoxycyclohexane (CAS 1247918-31-5)
- 7-chloro-2-ethyl-1,6-naphthyridine (CAS 2757679-15-3)
- 1-Ethynyl-4-phenylcyclohexan-1-ol (CAS 29071-43-0)
- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
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