5-(P-tolyl)-1,2,4-oxadiazole-3-carboxylic acid CAS 400087-07-2

Description

Compared with other compounds in its class, the molecular weight of 204.18 g/mol gives 5-(P-tolyl)-1,2,4-oxadiazole-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(P-tolyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 400087-07-2) is a high-purity analytical reference standard with the molecular formula C10H8N2O3 and a molecular weight of 204.18 g/mol.

The molecular framework of 5-(P-tolyl)-1,2,4-oxadiazole-3-carboxylic acid (C10H8N2O3) 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. 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), 5-(P-tolyl)-1,2,4-oxadiazole-3-carboxylic acid 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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