4-methyl-2-(1-methyl-1H-pyrazol-4-yl)benzaldehyde CAS 1558171-05-3

Description

4-methyl-2-(1-methyl-1H-pyrazol-4-yl)benzaldehyde (CAS 1558171-05-3), molecular formula C12H12N2O and molecular weight 200.24 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H12N2O, 4-methyl-2-(1-methyl-1H-pyrazol-4-yl)benzaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 200.24 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.

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), 4-methyl-2-(1-methyl-1H-pyrazol-4-yl)benzaldehyde 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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