cis-2-[2-(4-Methylphenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid CAS 736136-31-5

Description

Compared with other compounds in its class, the molecular weight of 260.33 g/mol gives cis-2-[2-(4-Methylphenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

cis-2-[2-(4-Methylphenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid (CAS 736136-31-5), molecular formula C16H20O3 and molecular weight 260.33 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, cis-2-[2-(4-Methylphenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 260.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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