4-Oxo-N-((5-phenylisoxazol-3-yl)methyl)-4H-chromene-2-carboxamide CAS 946344-30-5

Description

Compared with other compounds in its class, the molecular weight of 346.34 g/mol gives 4-Oxo-N-((5-phenylisoxazol-3-yl)methyl)-4H-chromene-2-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-Oxo-N-((5-phenylisoxazol-3-yl)methyl)-4H-chromene-2-carboxamide (CAS 946344-30-5), a certified reference material (molecular formula C20H14N2O4, MW 346.34 g/mol) for analytical method development and quality control.

Structurally, 4-Oxo-N-((5-phenylisoxazol-3-yl)methyl)-4H-chromene-2-carboxamide (C20H14N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 346.34 g/mol, it falls into the moderately-high-molecular-weight range. 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).

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), 4-Oxo-N-((5-phenylisoxazol-3-yl)methyl)-4H-chromene-2-carboxamide 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

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