4,6-Dimethoxy-2-(2,4,5-trichlorophenoxy)pyrimidine CAS 866143-61-5

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.

4,6-Dimethoxy-2-(2,4,5-trichlorophenoxy)pyrimidine (CAS 866143-61-5), molecular formula C12H9Cl3N2O3 and molecular weight 335.57 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H9Cl3N2O3, 4,6-Dimethoxy-2-(2,4,5-trichlorophenoxy)pyrimidine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 335.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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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