3-Phenyl-4-(2,4,6-trimethylbenzyl)isoxazol-5(2H)-one CAS 89114-13-6
| CAS No. | 89114-13-6 |
| Molecular Formula | C19H19NO2 |
| Molecular Weight | 293.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Phenyl-4-(2,4,6-trimethylbenzyl)isoxazol-5(2H)-one (CAS 89114-13-6) is a high-purity analytical reference standard with the molecular formula C19H19NO2 and a molecular weight of 293.36 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 3-Phenyl-4-(2,4,6-trimethylbenzyl)isoxazol-5(2H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 293.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
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 | C19H19NO2 |
| Molecular Weight | 293.36 g/mol |
| Appearance | Pale yellow to 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
Related Phenyl Standards
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Recommended Standards
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