1-(5-Hexylisoxazol-3-yl)ethanone CAS 491841-08-8
| CAS No. | 491841-08-8 |
| Molecular Formula | C11H17NO2 |
| Molecular Weight | 195.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H17NO2, 1-(5-Hexylisoxazol-3-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 195.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 1-(5-Hexylisoxazol-3-yl)ethanone (CAS 491841-08-8), a certified reference material (molecular formula C11H17NO2, MW 195.26 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-(5-Hexylisoxazol-3-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.
Physical & Chemical Properties
| Molecular Formula | C11H17NO2 |
| Molecular Weight | 195.26 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Hexylisoxazol Standards
Recommended Standards
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- 1-(4,5-Dimethoxy-2-methylphenyl)-N-methylmethanamine (CAS 852706-05-9)
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- n1,n1-Diethyl-n2-(3-methylcyclopentyl)ethane-1,2-diamine (CAS 1343965-63-8)
- 1-(2-(1H-pyrazol-1-yl)ethyl)-4-(chloromethyl)-1H-1,2,3-triazole (CAS 1249617-57-9)
- (3S,4S)-4-Aminopyrrolidine-3-carboxylic acid (CAS 80546-89-0)
- 4-Cyclopropoxy-5-isopropoxy-2-nitropyridine (CAS 1243287-04-8)
- 2-(2-Bromobenzoyl)-3-methylpyridine (CAS 1187167-16-3)
- 3-Methyl-2-(4-methylpiperazin-1-yl)butanoic acid (CAS 938251-34-4)
- 2-(((4H-1,2,4-triazol-4-yl)amino)methyl)-4-chlorophenol (CAS 736941-80-3)
- methyl 1-methyl-4-oxo-1H,4H,5H-pyrrolo[3,2-c]pyridine-7-carboxylate (CAS 871819-42-0)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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