4-(2-pyridylazo)resorcinol monosodium salt hydrate CAS 16593-81-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16593-81-0 |
| Molecular Formula | C11H8N3O2 Na H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2-pyridylazo)resorcinol monosodium salt hydrate (CAS 16593-81-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H8N3O2 Na H2O. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H8N3O2 Na H2O |
| Molecular Weight | 255.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
Related pyridylazo Standards
Recommended Standards
- 6-Chloro-4,4'-dimethyl-2,2'-bipyridine (CAS 1025763-34-1)
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- BMS 566419 (CAS 566161-24-8)
- 4-Chloro-1-methyl-1H-pyrazole-3-carbonyl chloride (CAS 1048340-09-5)
- Ethyl 1-Methylcyclobutanecarboxylate (CAS 65338-28-5)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com