4-[2-(Benzoyloxy)ethyl]-1,3-dihydro-2H-indol-2-one CAS 139122-18-2

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.

CATO supplies 4-[2-(Benzoyloxy)ethyl]-1,3-dihydro-2H-indol-2-one (CAS 139122-18-2), a certified reference material (molecular formula C17H15NO3, MW 281.31 g/mol) for analytical method development and quality control.

4-[2-(Benzoyloxy)ethyl]-1,3-dihydro-2H-indol-2-one (C17H15NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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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