N-(4-Cyano-1,3-diphenyl-1H-pyrazol-5-yl)-2-iodoacetamide CAS 189757-40-2

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(4-Cyano-1,3-diphenyl-1H-pyrazol-5-yl)-2-iodoacetamide.

N-(4-Cyano-1,3-diphenyl-1H-pyrazol-5-yl)-2-iodoacetamide (CAS 189757-40-2) is a high-purity analytical reference standard with the molecular formula C18H13IN4O and a molecular weight of 428.23 g/mol.

Based on its molecular formula C18H13IN4O, N-(4-Cyano-1,3-diphenyl-1H-pyrazol-5-yl)-2-iodoacetamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 428.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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