4-[(3,5-Dimethylisoxazol-4-yl)methyl]-5-ethylisoxazole-3-carboxylic acid CAS 1119449-84-1
| CAS No. | 1119449-84-1 |
| Molecular Formula | C12H14N2O4 |
| Molecular Weight | 250.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 4-[(3,5-Dimethylisoxazol-4-yl)methyl]-5-ethylisoxazole-3-carboxylic acid (C12H14N2O4) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-[(3,5-Dimethylisoxazol-4-yl)methyl]-5-ethylisoxazole-3-carboxylic acid (CAS 1119449-84-1) is a high-purity analytical reference standard with the molecular formula C12H14N2O4 and a molecular weight of 250.25 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-[(3,5-Dimethylisoxazol-4-yl)methyl]-5-ethylisoxazole-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H14N2O4 |
| Molecular Weight | 250.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
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