1-(2-Ethylbenzo[d]oxazol-4-yl)ethanone CAS 1806396-80-4
| CAS No. | 1806396-80-4 |
| Molecular Formula | C11H11NO2 |
| Molecular Weight | 189.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(2-Ethylbenzo[d]oxazol-4-yl)ethanone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
1-(2-Ethylbenzo[d]oxazol-4-yl)ethanone (CAS 1806396-80-4) is a high-purity analytical reference standard with the molecular formula C11H11NO2 and a molecular weight of 189.21 g/mol.
Based on its molecular formula C11H11NO2, 1-(2-Ethylbenzo[d]oxazol-4-yl)ethanone contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H11NO2 |
| Molecular Weight | 189.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related Ethylbenzo Standards
- 1-(5-Ethylbenzo[d]oxazol-2-yl)ethanone (CAS 1504268-58-9)
- 1-(6-Ethylbenzo[d]oxazol-2-yl)ethanone (CAS 1803742-07-5)
- 1-(7-Ethylbenzo[d]oxazol-2-yl)ethanone (CAS 1803877-83-9)
- 1-(4-Ethylbenzo[d]oxazol-2-yl)ethanone (CAS 1804213-70-4)
- 1-(2-Ethylbenzo[d]oxazol-7-yl)ethan-1-one (CAS 952182-97-7)
- 1-(3-Ethylbenzo[c]isoxazol-6-yl)ethanone (CAS 57778-45-7)
- 2-Ethylbenzo[b]thiophene-3-carbaldehyde (CAS 64860-34-0)
- 4-Ethylbenzo[d]oxazole-2-carboxylic acid (CAS 1806366-53-9)
Recommended Standards
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- Pregabalin Impurity 123 (CAS 181289-21-4)
- 1-Phenyl-2-(triphenylphosphoranylidene)ethanethione (CAS 58309-82-3)
- 5-Amino-3-(3-tetrahydrofuryl)isoxazole (CAS 1218915-66-2)
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- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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