2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-N-phenethylnicotinamide CAS 338412-92-3

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.

2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-N-phenethylnicotinamide (CAS 338412-92-3), molecular formula C20H15ClF3N3OS and molecular weight 437.87 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C20H15ClF3N3OS, 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-N-phenethylnicotinamide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 437.87 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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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