(2E,4E)-4-Methyl-2,4-hexadienoic Acid Ethyl Ester CAS 90107-62-3

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (2E,4E)-4-Methyl-2,4-hexadienoic Acid Ethyl Ester.

(2E,4E)-4-Methyl-2,4-hexadienoic Acid Ethyl Ester (CAS 90107-62-3) is a high-purity analytical reference standard with the molecular formula C9H14O2 and a molecular weight of 154.21 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, (2E,4E)-4-Methyl-2,4-hexadienoic Acid Ethyl Ester is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 154.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), (2E,4E)-4-Methyl-2,4-hexadienoic Acid Ethyl Ester 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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