Product name Oxygen fluorine acid Chemical name 9, 10-difluoro-2, 3-dihydro-3-methyl-7-oxo-7h-pyrido[1, 2, 3-de]-1, 4-benzoxazine-6-carboxyllic acid Product brief introduction This product is a main raw material of synthesis of ofloxacin series drug. Molecular structure Molecule formula C13h9f2no4 Molecular weight 281.21 Cas-no. 82419-35-0 Product specification Appearanceú¦white or off-white powder Assayú¦ í²98% Loss on dryingú¦ ín0.5% Residue on ignition ín0.5% 25kg/drum