3-(2-Methyl-1,3-thiazol-4-yl)benzoic acid CAS 28077-41-0

Description

Compared with other compounds in its class, the molecular weight of 219.26 g/mol gives 3-(2-Methyl-1,3-thiazol-4-yl)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(2-Methyl-1,3-thiazol-4-yl)benzoic acid (CAS 28077-41-0), molecular formula C11H9NO2S and molecular weight 219.26 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 3-(2-Methyl-1,3-thiazol-4-yl)benzoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 219.26 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

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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