(S)-1-(2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-3-carbonyl)piperidine-4-carboxylic acid CAS 956524-78-0

Description

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.

(S)-1-(2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-3-carbonyl)piperidine-4-carboxylic acid (CAS 956524-78-0), molecular formula C21H28N2O5 and molecular weight 388.46 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C21H28N2O5, (S)-1-(2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-3-carbonyl)piperidine-4-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 388.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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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