4,5-Bis(benzyloxy)-2-methylbenzoic acid CAS 127531-39-9

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,5-Bis(benzyloxy)-2-methylbenzoic acid.

4,5-Bis(benzyloxy)-2-methylbenzoic acid (CAS 127531-39-9), molecular formula C22H20O4 and molecular weight 348.39 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C22H20O4, 4,5-Bis(benzyloxy)-2-methylbenzoic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 348.39 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.

As a certified reference material (CRM), 4,5-Bis(benzyloxy)-2-methylbenzoic 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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