Ethyl 5-(sec-butyl)-1H-indole-2-carboxylate CAS 881041-18-5

Description

As a certified reference material (CRM), Ethyl 5-(sec-butyl)-1H-indole-2-carboxylate 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.

Ethyl 5-(sec-butyl)-1H-indole-2-carboxylate (CAS 881041-18-5), molecular formula C15H19NO2 and molecular weight 245.32 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C15H19NO2, Ethyl 5-(sec-butyl)-1H-indole-2-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 245.32 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.

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.

Physical & Chemical Properties

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