2-(3,4-Dimethylbenzenesulfonyl)acetic acid CAS 85654-12-2

Description

Compared with other compounds in its class, the molecular weight of 228.26 g/mol gives 2-(3,4-Dimethylbenzenesulfonyl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(3,4-Dimethylbenzenesulfonyl)acetic acid (CAS 85654-12-2) is a high-purity analytical reference standard with the molecular formula C10H12O4S and a molecular weight of 228.26 g/mol.

2-(3,4-Dimethylbenzenesulfonyl)acetic acid (C10H12O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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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