(S)-2-Benzamido-4-methoxy-4-oxobutanoic acid CAS 39741-26-9

Description

Compared with other compounds in its class, the molecular weight of 322.42 g/mol gives (S)-2-Benzamido-4-methoxy-4-oxobutanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(S)-2-Benzamido-4-methoxy-4-oxobutanoic acid (CAS 39741-26-9), molecular formula C19H18N2OS and molecular weight 322.42 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (S)-2-Benzamido-4-methoxy-4-oxobutanoic acid (C19H18N2OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 322.42 g/mol, it falls into the moderately-high-molecular-weight range. 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), (S)-2-Benzamido-4-methoxy-4-oxobutanoic 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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