Ethyl 4-(furan-2-carbonyl)isoxazole-3-carboxylate CAS 338761-74-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338761-74-3 |
| Molecular Formula | C11H9NO5 |
| Molecular Weight | 235.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Ethyl 4-(furan-2-carbonyl)isoxazole-3-carboxylate (CAS 338761-74-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H9NO5. Molecular weight: 235.19 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C11H9NO5 |
| Molecular Weight | 235.19 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 6-(3,4-Difluorophenyl)nicotinic acid (CAS 744261-54-9)
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- (S)-2-(2-((R)-2-Amino-3-methylbutanamido)acetamido)-5-guanidino-N-(4-nitrophenyl)pentanamide (CAS 80798-23-8)
- 1-(2-Chloro-5,7-dimethylquinolin-3-yl)ethanol (CAS 1017402-93-5)
- 2,5-Dimethyloxazole-4-carboxylic Acid (CAS 23000-14-8)
- (2E)-3-[4-(Benzyloxy)phenyl]-1-{3-[1-({2-fluoro-[1,1'-biphenyl]-4-yl}oxy)ethyl]-1H-pyrazol-1-yl}prop-2-en-1-one (CAS 477710-95-5)
- [5-31]-Semaglutide (CAS CATO-C4X-2226263)
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