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7-aminoquinoline-4-carboxylic acid; CAS No.: 2514965-57-0; 7-aminoquinoline-4-carboxylic acid. PROPERTIES: 7-aminoquinoline-4-carboxylic acid is a crystalline compound with molecular formula C9H7N3O2. It has a melting point between 230-235 C and exhibits moderate solubility in hot aqueous sodium bicarbonate solution. The compound should be stored in a tightly sealed container at room temperature away from heat sources. Safety precautions include avoiding ingestion and using standard laboratory PPE due to its potential to cause gastrointestinal upset if swallowed. APPLICATIONS: This amino-substituted quinoline carboxylic acid is used in the development of antimalarial agents. The amino group provides a site for PEGylation, enhancing the pharmacokinetic properties of the molecule as reported in tropical medicine research. In materials science, 7-aminoquinoline-4-carboxylic acid derivatives have found use in creating self-assembled monolayers for surface modification. According to materials chemistry journals, the quinoline core promotes adsorption onto metal surfaces while the carboxylic acid group imparts chemical functionality.