7-Bromo-3-chloro-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one CAS 354792-26-0

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.

7-Bromo-3-chloro-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one (CAS 354792-26-0), molecular formula C9H6BrClN2O and molecular weight 273.51 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/bromine substitution, 7-Bromo-3-chloro-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 273.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), 7-Bromo-3-chloro-2-methyl-4h-pyrido[1,2-a]pyrimidin-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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