4-Ethynyl-1,2-dimethyl-1H-imidazole CAS 959918-22-0

Description

Compared with other compounds in its class, the molecular weight of 120.15 g/mol gives 4-Ethynyl-1,2-dimethyl-1H-imidazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Ethynyl-1,2-dimethyl-1H-imidazole (CAS 959918-22-0), molecular formula C7H8N2 and molecular weight 120.15 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrile group, an aromatic ring system, 4-Ethynyl-1,2-dimethyl-1H-imidazole is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 120.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 4-Ethynyl-1,2-dimethyl-1H-imidazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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