(S)-1-(6,7-Dimethoxy-1-methyl-3,4-dihydroisoquinolin-2(1H)-yl)ethanone CAS 65695-26-3

Description

Compared with other compounds in its class, the molecular weight of 249.31 g/mol gives (S)-1-(6,7-Dimethoxy-1-methyl-3,4-dihydroisoquinolin-2(1H)-yl)ethanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(S)-1-(6,7-Dimethoxy-1-methyl-3,4-dihydroisoquinolin-2(1H)-yl)ethanone (CAS 65695-26-3), molecular formula C14H19NO3 and molecular weight 249.31 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of (S)-1-(6,7-Dimethoxy-1-methyl-3,4-dihydroisoquinolin-2(1H)-yl)ethanone (C14H19NO3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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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