Potassium 1-(4-chlorophenyl)-6-methyl-4-oxo-1,4-dihydropyridazine-3-carboxylate CAS 83588-43-6

Description

Potassium 1-(4-chlorophenyl)-6-methyl-4-oxo-1,4-dihydropyridazine-3-carboxylate (CAS 83588-43-6), molecular formula C12H8ClN2O3K and molecular weight 302.75 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Potassium 1-(4-chlorophenyl)-6-methyl-4-oxo-1,4-dihydropyridazine-3-carboxylate (C12H8ClN2O3K) contains a salt form, a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.5, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 302.75 g/mol, it falls into the moderately-high-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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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