(E)-4-[(4-{[(E)-4-Hydroxy-4-oxo-2-butenoyl]amino}[1,1-biphenyl]-4-yl)amino]-4-oxo-2-butenoic acid CAS 36840-10-5

Description

CATO manufactures (E)-4-[(4-{[(E)-4-Hydroxy-4-oxo-2-butenoyl]amino}[1,1-biphenyl]-4-yl)amino]-4-oxo-2-butenoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

(E)-4-[(4-{[(E)-4-Hydroxy-4-oxo-2-butenoyl]amino}[1,1-biphenyl]-4-yl)amino]-4-oxo-2-butenoic acid (CAS 36840-10-5), molecular formula C20H16N2O6 and molecular weight 380.35 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of (E)-4-[(4-{[(E)-4-Hydroxy-4-oxo-2-butenoyl]amino}[1,1-biphenyl]-4-yl)amino]-4-oxo-2-butenoic acid (C20H16N2O6) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

Physical & Chemical Properties

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