Febuxostat& intermediates Other Name: 2-[3-cyano-4-isobutoxyphenry]-4-m CAS NO: 144060-53-7 MF: C16H16N2O3S purity: 99% Anti-gout drug Febuxostat, a novel, nonpurine, selective inhibitor of xanthine oxidase, is effective for the treatment of gout and hyperuricemia. Any need of our api, intermediates and pharmaceutical products, welcome you to contact us.