(S)-2-((S)-2-Acetamido-3-(1H-imidazol-4-yl)propanamido)propanoic acid CAS 61389-34-2

Description

Compared with other compounds in its class, the molecular weight of 268.27 g/mol gives (S)-2-((S)-2-Acetamido-3-(1H-imidazol-4-yl)propanamido)propanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(S)-2-((S)-2-Acetamido-3-(1H-imidazol-4-yl)propanamido)propanoic acid (CAS 61389-34-2), molecular formula C11H16N4O4 and molecular weight 268.27 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (S)-2-((S)-2-Acetamido-3-(1H-imidazol-4-yl)propanamido)propanoic acid (C11H16N4O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 268.27 g/mol, it falls into the medium-molecular-weight range. 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.

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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