(R)-2-((S)-2-Amino-4-methylpentanamido)-3-(1H-imidazol-4-yl)propanoic acid CAS 38062-71-4

Description

Compared with other compounds in its class, the molecular weight of 268.31 g/mol gives (R)-2-((S)-2-Amino-4-methylpentanamido)-3-(1H-imidazol-4-yl)propanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(R)-2-((S)-2-Amino-4-methylpentanamido)-3-(1H-imidazol-4-yl)propanoic acid (CAS 38062-71-4) is a high-purity analytical reference standard with the molecular formula C12H20N4O3 and a molecular weight of 268.31 g/mol.

Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, (R)-2-((S)-2-Amino-4-methylpentanamido)-3-(1H-imidazol-4-yl)propanoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 268.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), (R)-2-((S)-2-Amino-4-methylpentanamido)-3-(1H-imidazol-4-yl)propanoic 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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