Product name: Norfloxacin CAS No. 70458-96-7 Chemical name: 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid Molecular formula: C16H18FN3O3 Molecular weight: 319.3349 Applications: A fluoroquinolone, synthetic, broad-spectrum antibacterial agent for oral administration. Appearance: A white to pale yellow crystalline powder.