Methyl 1-(2,4-dichlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylate CAS 121582-57-8

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 1-(2,4-dichlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylate.

Methyl 1-(2,4-dichlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylate (CAS 121582-57-8), molecular formula C12H8Cl2N2O4 and molecular weight 315.11 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Methyl 1-(2,4-dichlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 315.11 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), Methyl 1-(2,4-dichlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylate 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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