Ethyl 5-(3-fluorophenyl)-1,2,4-oxadiazole-3-carboxylate CAS 1274477-51-8
| CAS No. | 1274477-51-8 |
| Molecular Formula | C11H9FN2O3 |
| Molecular Weight | 236.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 5-(3-fluorophenyl)-1,2,4-oxadiazole-3-carboxylate (CAS 1274477-51-8), a certified reference material (molecular formula C11H9FN2O3, MW 236.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9FN2O3, Ethyl 5-(3-fluorophenyl)-1,2,4-oxadiazole-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H9FN2O3 |
| Molecular Weight | 236.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Methyl 1-(4-fluorophenyl)-5-hydroxy-1H-pyrazole-3-carboxylate (CAS 1007073-76-8)
- Ethyl 3-(2-fluorophenyl)-1,2,4-oxadiazole-5-carboxylate (CAS 1018125-37-5)
- 3-(5-(4-Fluorophenyl)-1,3,4-oxadiazol-2-yl)propanoic acid (CAS 1082828-46-3)
- 1-(4-Fluorophenyl)-4-methoxy-1h-pyrazole-3-carboxylic acid (CAS 1169973-47-0)
- 1-(2-Fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid (CAS 1239726-11-4)
- Ethyl 3-(3-fluorophenyl)-1,2,4-oxadiazole-5-carboxylate (CAS 1239736-58-3)
- 1-(3-Fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid (CAS 1273860-31-3)
- Ethyl 5-(2-fluorophenyl)-1,2,4-oxadiazole-3-carboxylate (CAS 1385696-44-5)
Recommended Standards
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- 1-(4-Fluorobenzyl)-5-oxo-4,5-dihydro-1H-pyrazole-4-carboxylic acid (CAS 1248907-29-0)
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