| Name:Norfloxacin Chemical name:1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid Structural formula :                 Molecular formula and molecular weight:C16H18FN3O3=319.3349 Quality standard:USP42 Properties: Grayish white or slightly yellow crystalline or powder;odorless;slightly bitter;absorb moisture when exposed to air;Gradually darkens when exposed to light.Slightly soluble in dimethylformamide, very slightly soluble in water or ethanol,soluble in acetic acid,hydrochloric acid or sodium hydroxide solution. Functions and Uses: Quinolone antibacterial drugs, mainly act on the DNA gyrase of bacteria, causing the DNA helix of bacteria to crack. It has high antibacterial activity against gram-negative bacteria such as Escherichia coli, Shigella, Proteus, and Pseudomonas aeruginosa, and also has good antibacterial effect on gram-positive bacteria such as staphylococcus and pneumococcus. Packaging specifications: Net weight 25kg/cardboard drum; diameter 36cm×47cm height, lined with two layers of polyethylene plastic bag Storage:shading, sealed, kept in a dry place. CAS No. 70458-96-7 HS CODE:2933599099(For reference only) |