N-(sec-Butyl)-N-methyl-1-(thiophen-2-yl)isoquinoline-3-carboxamide CAS 89242-39-7

Description

The occurrence of N-(sec-Butyl)-N-methyl-1-(thiophen-2-yl)isoquinoline-3-carboxamide is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

N-(sec-Butyl)-N-methyl-1-(thiophen-2-yl)isoquinoline-3-carboxamide (CAS 89242-39-7), molecular formula C19H20N2OS and molecular weight 324.44 g/mol, is a CATO reference standard with documented purity and traceability.

N-(sec-Butyl)-N-methyl-1-(thiophen-2-yl)isoquinoline-3-carboxamide (C19H20N2OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; 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.

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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