5-(Mercaptomethyl)isoxazol-3(2H)-one CAS 89660-61-7

Description

CATO supplies 5-(Mercaptomethyl)isoxazol-3(2H)-one (CAS 89660-61-7), a certified reference material (molecular formula C4H5NO2S, MW 131.15 g/mol) for analytical method development and quality control.

Structurally, 5-(Mercaptomethyl)isoxazol-3(2H)-one (C4H5NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 131.15 g/mol, it falls into the low-molecular-weight range. 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.

As a certified reference material (CRM), 5-(Mercaptomethyl)isoxazol-3(2H)-one 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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