4-(3,7-Dichloroquinoline-8-carboxamido)butanoic acid CAS 870273-05-5

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(3,7-Dichloroquinoline-8-carboxamido)butanoic acid.

4-(3,7-Dichloroquinoline-8-carboxamido)butanoic acid (CAS 870273-05-5), molecular formula C14H12Cl2N2O3 and molecular weight 327.16 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C14H12Cl2N2O3, 4-(3,7-Dichloroquinoline-8-carboxamido)butanoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.16 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.

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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