1-(4-Methylphenyl)-3-[2-(methylsulfanyl)pyrimidin-4-yl]-1,4-dihydropyridazin-4-one CAS 866131-27-3

Description

1-(4-Methylphenyl)-3-[2-(methylsulfanyl)pyrimidin-4-yl]-1,4-dihydropyridazin-4-one (CAS 866131-27-3), molecular formula C16H14N4OS and molecular weight 310.37 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 1-(4-Methylphenyl)-3-[2-(methylsulfanyl)pyrimidin-4-yl]-1,4-dihydropyridazin-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 310.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), 1-(4-Methylphenyl)-3-[2-(methylsulfanyl)pyrimidin-4-yl]-1,4-dihydropyridazin-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.

Physical & Chemical Properties

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