(E)-3-Methyl-4-((p-tolylthio)methylene)isoxazol-5(4H)-one CAS 61861-73-2

Description

Compared with other compounds in its class, the molecular weight of 233.29 g/mol gives (E)-3-Methyl-4-((p-tolylthio)methylene)isoxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(E)-3-Methyl-4-((p-tolylthio)methylene)isoxazol-5(4H)-one (CAS 61861-73-2) is a high-purity analytical reference standard with the molecular formula C12H11NO2S and a molecular weight of 233.29 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, (E)-3-Methyl-4-((p-tolylthio)methylene)isoxazol-5(4H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 233.29 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.

As a certified reference material (CRM), (E)-3-Methyl-4-((p-tolylthio)methylene)isoxazol-5(4H)-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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