1,2-Bis(2-chlorophenyl)-5,6,7,8-tetrahydroquinazoline-4(1H)-thione CAS 62721-88-4

Description

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.

1,2-Bis(2-chlorophenyl)-5,6,7,8-tetrahydroquinazoline-4(1H)-thione (CAS 62721-88-4) is a high-purity analytical reference standard with the molecular formula C20H16Cl2N2S and a molecular weight of 387.33 g/mol.

Based on its molecular formula C20H16Cl2N2S, 1,2-Bis(2-chlorophenyl)-5,6,7,8-tetrahydroquinazoline-4(1H)-thione contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 387.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

Physical & Chemical Properties

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