3-(4-(6-Chloropyridin-3-yl)tetrahydro-2H-pyran-4-yl)-5-(pyridin-3-yl)-1,2,4-oxadiazole CAS 1369513-99-4

Description

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.

3-(4-(6-Chloropyridin-3-yl)tetrahydro-2H-pyran-4-yl)-5-(pyridin-3-yl)-1,2,4-oxadiazole (CAS 1369513-99-4) is a high-purity analytical reference standard with the molecular formula C17H15ClN4O2 and a molecular weight of 342.78 g/mol.

The molecular framework of 3-(4-(6-Chloropyridin-3-yl)tetrahydro-2H-pyran-4-yl)-5-(pyridin-3-yl)-1,2,4-oxadiazole (C17H15ClN4O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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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