1,2-oxazole-5-carbaldehyde CAS 16401-14-2

Description

Compared with other compounds in its class, the molecular weight of 101.10 g/mol gives 1,2-oxazole-5-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,2-oxazole-5-carbaldehyde (CAS 16401-14-2), molecular formula C4H7NO2 and molecular weight 101.10 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C4H7NO2, 1,2-oxazole-5-carbaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 101.10 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), 1,2-oxazole-5-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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