Febuxostat CAS NO.144060-53-7 Brand name: Adenuric,Uloric Appearance Off-white crystall powder Water NMT1.0% Residue on ignition NMT 0.1% Heavy metals NMT 20ppm Purity(HPLC) NLT 99% Solubility :Soluble in ethanol and acetone，sparingly soluble in water Febuxostat, a novel, nonpurine, selective inhibitor of xanthine oxidase, is effective for the treatment of gout and hyperuricemia.It was approved by the european medicines agency on april 21, 2008.