5-Amino-1-(4-ethylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile CAS 2197055-14-2

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.

5-Amino-1-(4-ethylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile (CAS 2197055-14-2), molecular formula C13H14N4 and molecular weight 226.28 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Amino-1-(4-ethylphenyl)-3-methyl-1H-pyrazole-4-carbonitrile (C13H14N4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 226.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 5-Amino-1-(4-ethylphenyl)-3-methyl-1H-pyrazole-4-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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