TAS-102

Formula C10H11F3N2O5 . 1/2C9H11ClN4O2 . 1/2HCl

MW 435.76

CAS No. 733030-01-8

TAS-102 is a novel oral combination drug that consists of an antineoplastic 

thymidine-based nucleoside analog, trifluorothymidine, and a potent thymidine 

phosphorylase inhibitor, tipiracil, in a 1:0.5 molar ratio.