1-Ethyl-6,8-difluoro-7-((2-hydroxyethyl)amino)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 119052-76-5

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.

1-Ethyl-6,8-difluoro-7-((2-hydroxyethyl)amino)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 119052-76-5), molecular formula C14H14F2N2O4 and molecular weight 312.27 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-Ethyl-6,8-difluoro-7-((2-hydroxyethyl)amino)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (C14H14F2N2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 312.27 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures 1-Ethyl-6,8-difluoro-7-((2-hydroxyethyl)amino)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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