2-(4-Isopropoxyphenyl)-6-methylquinoline-4-carboxylic acid CAS 438220-76-9

Description

The occurrence of 2-(4-Isopropoxyphenyl)-6-methylquinoline-4-carboxylic acid is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-(4-Isopropoxyphenyl)-6-methylquinoline-4-carboxylic acid (CAS 438220-76-9) is a high-purity analytical reference standard with the molecular formula C20H19NO3 and a molecular weight of 321.37 g/mol.

The molecular framework of 2-(4-Isopropoxyphenyl)-6-methylquinoline-4-carboxylic acid (C20H19NO3) is characterized by a steroid core, 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 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.

As a certified reference material (CRM), 2-(4-Isopropoxyphenyl)-6-methylquinoline-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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