4-Ethoxymethylene-2-(4-isopropyl-phenyl)-4H-isoquinoline-1,3-dione CAS 565168-52-7

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.

4-Ethoxymethylene-2-(4-isopropyl-phenyl)-4H-isoquinoline-1,3-dione (CAS 565168-52-7) is a high-purity analytical reference standard with the molecular formula C21H21NO3 and a molecular weight of 335.40 g/mol.

Based on its molecular formula C21H21NO3, 4-Ethoxymethylene-2-(4-isopropyl-phenyl)-4H-isoquinoline-1,3-dione contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 335.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

As a certified reference material (CRM), 4-Ethoxymethylene-2-(4-isopropyl-phenyl)-4H-isoquinoline-1,3-dione 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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