Norfloxacin CAS No.: 70458-96-7 Quality standard: CP2005/USP28/EP4 Applications: A fluoroquinolone, synthetic, broad-spectrum antibacterial agent for oral administration. Appearance: A white to pale yellow crystalline powder. Packing: 25kg/fiber drum ,or 25kg/carton,or according to customers?requirement. Certificate of Analysis: If needed, please fell free to contact us We look forward to receive yr Inquiries with Qty required , Destination , Mode of Shipment (Air /Sea ) Pls feel free to send us inquires as per yr requirments. Any other products interested by you are on request . we will try our best to source those materials at our competitive prices & good quality.