3-(5-Fluoro-2-methylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine CAS 338956-80-2

Description

3-(5-Fluoro-2-methylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 338956-80-2), molecular formula C18H22FNO3S and molecular weight 351.44 g/mol, is a CATO reference standard with documented purity and traceability.

3-(5-Fluoro-2-methylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (C18H22FNO3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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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