2-Oxo-1H-pyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile CAS 2140305-42-4

Description

2-Oxo-1H-pyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile (CAS 2140305-42-4), molecular formula C6H3N5O and molecular weight 161.12 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H3N5O, 2-Oxo-1H-pyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 161.12 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), 2-Oxo-1H-pyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile 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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