(S)-2-((1-phenylethyl)carbamoyl)benzoic acid CAS 21752-36-3

Description

Compared with other compounds in its class, the molecular weight of 269.30 g/mol gives (S)-2-((1-phenylethyl)carbamoyl)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(S)-2-((1-phenylethyl)carbamoyl)benzoic acid (CAS 21752-36-3), molecular formula C16H15NO3 and molecular weight 269.30 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (S)-2-((1-phenylethyl)carbamoyl)benzoic acid (C16H15NO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 269.30 g/mol, it falls into the medium-molecular-weight range. 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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