2-Ethyl-4-(pyridin-3-ylmethylene)oxazol-5(4H)-one CAS 538339-34-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 538339-34-3 |
| Molecular Formula | C11H10N2O2 |
| Molecular Weight | 202.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Ethyl-4-(pyridin-3-ylmethylene)oxazol-5(4H)-one (CAS 538339-34-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H10N2O2. Molecular weight: 202.21 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H10N2O2 |
| Molecular Weight | 202.21 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- n-(Pyridin-2-ylmethyl)-1h-imidazole-1-carboxamide (CAS 1087788-33-7)
- 2-Methyl-5-(pyridin-4-yl)-1H-pyrrole-3-carboxylic acid (CAS 1248408-55-0)
- Methyl 4-(pyridin-2-yl)-1H-pyrrole-3-carboxylate (CAS 1260892-95-2)
- n-(Pyridin-4-ylmethyl)-1h-imidazole-1-carboxamide (CAS 149047-33-6)
- n-(Pyridin-3-ylmethyl)-1h-imidazole-1-carboxamide (CAS 149047-35-8)
- Methyl 4-(pyridin-3-yl)-1H-pyrrole-3-carboxylate (CAS 188524-69-8)
- 1-(5-Methyl-2-(pyridin-4-yl)oxazol-4-yl)ethanone (CAS 674785-91-2)
- 1-(pyridin-2-ylmethyl)-1H-pyrrole-2-carboxylic acid (CAS 896049-13-1)
Recommended Standards
- 2-Ethyl-3-nitroquinoline (CAS 676998-17-7)
- 2-Hydrazino-6-phenylpyrimidin-4(3{H})-one (CAS 86799-26-0)
- 2-Ethyl-3-hydroxynaphthalene-1,4-dione (CAS 29366-44-7)
- 2-(5-(Benzyloxy)-1-methyl-1H-pyrazol-4-yl)acetic acid (CAS 1365941-98-5)
- 5,6-Dibromo-3-iodopyrazin-2-amine (CAS 1823904-74-0)
- Phenylmercuric Octanoate (CAS 13864-38-5)
- 2-(Difluoromethyl)-6-fluorophenol (CAS 1214388-76-7)
- tert-butyl 3-iodopyrrolidine-1-carboxylate (CAS 774234-25-2)
- Glycine-d5 (CAS 4896-77-9)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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