2-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid CAS 475105-77-2

Description

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

2-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid (CAS 475105-77-2), molecular formula C10H8N2O3 and molecular weight 204.18 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 2-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 204.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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