Abacavir EP Impurity F Catalogue No. - VL760003 CAS No. - 1443421-68-8 Molecular Formula - C18H26N6O Molecular Weight - 342.44 IUPAC Name -6-(Cyclopropylamino)-9-[(1R,4S)-4-[[(1,1-dimethylethyl)oxy]methyl]cyclopent-2-enyl]-9H-purine-2-amine Synonyms - O-t-Butyl Derivative Abacavir / Abacavir t-Butyl Ether