4-Chloro-2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazine CAS 1338664-77-9

Description

As a certified reference material (CRM), 4-Chloro-2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazine 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.

4-Chloro-2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazine (CAS 1338664-77-9), molecular formula C13H10ClN3O and molecular weight 259.69 g/mol, is a CATO reference standard with documented purity and traceability.

4-Chloro-2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazine (C13H10ClN3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

Physical & Chemical Properties

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