Ethyl (E)-2-cyano-2-(hydroxyimino)acetate CAS 56503-39-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56503-39-0 |
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl (E)-2-cyano-2-(hydroxyimino)acetate (CAS 56503-39-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H6N2O3. Molecular weight: 142.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 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.) | 1973 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- N-[2-(5-Chloro-1H-benzimidazol-2-yl)ethyl]-N-ethylamine (CAS 933682-41-8)
- 5-Amino-1-(2-pyridinyl)-1h-pyrazole-4-carboxamide (CAS 792953-15-2)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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