2-[(E)-2-(2,4-Dimethylphenyl)ethenyl]-1-methylpyridin-1-ium iodide CAS 1033847-12-9

Description

Compared with other compounds in its class, the molecular weight of 351.23 g/mol gives 2-[(E)-2-(2,4-Dimethylphenyl)ethenyl]-1-methylpyridin-1-ium iodide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-[(E)-2-(2,4-Dimethylphenyl)ethenyl]-1-methylpyridin-1-ium iodide (CAS 1033847-12-9), molecular formula C16H18NI and molecular weight 351.23 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-[(E)-2-(2,4-Dimethylphenyl)ethenyl]-1-methylpyridin-1-ium iodide (C16H18NI) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 351.23 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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-[(E)-2-(2,4-Dimethylphenyl)ethenyl]-1-methylpyridin-1-ium iodide 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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