[(E)-[(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methylidene]amino]thiourea CAS 21944-20-7

Description

CATO supplies [(E)-[(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methylidene]amino]thiourea (CAS 21944-20-7), a certified reference material (molecular formula C13H15N5S, MW 273.36 g/mol) for analytical method development and quality control.

Structurally, [(E)-[(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methylidene]amino]thiourea (C13H15N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. 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 273.36 g/mol, it falls into the medium-molecular-weight range. 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), [(E)-[(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methylidene]amino]thiourea 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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