3-(4-Chlorophenyl)-5-methylisoxazole-4-carbaldehyde CAS 127426-59-9

Description

Compared with other compounds in its class, the molecular weight of 221.64 g/mol gives 3-(4-Chlorophenyl)-5-methylisoxazole-4-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-(4-Chlorophenyl)-5-methylisoxazole-4-carbaldehyde (CAS 127426-59-9), a certified reference material (molecular formula C11H8ClNO2, MW 221.64 g/mol) for analytical method development and quality control.

Based on its molecular formula C11H8ClNO2, 3-(4-Chlorophenyl)-5-methylisoxazole-4-carbaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.64 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.

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), 3-(4-Chlorophenyl)-5-methylisoxazole-4-carbaldehyde 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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