What are the physical and chemical properties of 1-Ethyl-6-fluoro-7-(4-formyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid (CAS: 70459-04-0)?

1-Ethyl-6-fluoro-7-(4-formyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid (CAS: 70459-04-0) is a crystalline solid with a molecular weight of approximately 338.19 g/mol. It is moderately soluble in water and has good solubility in organic solvents. This compound exhibits moderate reactivity, particularly towards nucleophiles. Its physical properties include a melting point of 150-152°C and a density of 1.34 g/cm³.