5'-Methyl-[1,1':3',1''-terphenyl]-2'-carboxylic acid CAS 171669-68-4

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5'-Methyl-[1,1':3',1''-terphenyl]-2'-carboxylic acid.

5'-Methyl-[1,1':3',1''-terphenyl]-2'-carboxylic acid (CAS 171669-68-4), molecular formula C20H16O2 and molecular weight 288.34 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, a hydroxyl group, an ether linkage, 5'-Methyl-[1,1':3',1''-terphenyl]-2'-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 288.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 5'-Methyl-[1,1':3',1''-terphenyl]-2'-carboxylic 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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