Methyl 2-(quinoxalin-2-ylsulfonyl)benzoate CAS 338394-71-1

Description

Compared with other compounds in its class, the molecular weight of 328.34 g/mol gives Methyl 2-(quinoxalin-2-ylsulfonyl)benzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Methyl 2-(quinoxalin-2-ylsulfonyl)benzoate (CAS 338394-71-1), a certified reference material (molecular formula C16H12N2O4S, MW 328.34 g/mol) for analytical method development and quality control.

Structurally, Methyl 2-(quinoxalin-2-ylsulfonyl)benzoate (C16H12N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 328.34 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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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