1-(4-methylphenyl)-6-oxo-1,4,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid CAS 1049873-16-6

Description

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.

1-(4-methylphenyl)-6-oxo-1,4,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid (CAS 1049873-16-6), molecular formula C11H11N3O3 and molecular weight 233.22 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-(4-methylphenyl)-6-oxo-1,4,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid (C11H11N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 233.22 g/mol, it falls into the medium-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).

As a certified reference material (CRM), 1-(4-methylphenyl)-6-oxo-1,4,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid 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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