1-Methyl-3-(4-methyl-2-nitrophenyl)-2-thioxoimidazolidin-4-one CAS 1403323-05-6

Description

As a certified reference material (CRM), 1-Methyl-3-(4-methyl-2-nitrophenyl)-2-thioxoimidazolidin-4-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.

1-Methyl-3-(4-methyl-2-nitrophenyl)-2-thioxoimidazolidin-4-one (CAS 1403323-05-6), molecular formula C11H11N3O3S and molecular weight 265.29 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 1-Methyl-3-(4-methyl-2-nitrophenyl)-2-thioxoimidazolidin-4-one (C11H11N3O3S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

Physical & Chemical Properties

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