5-Fluoro-2-(4-fluorophenyl)-4-(trifluoromethyl)-1,3-oxazole can be used to study synthesis and reaction of 5-??azido-??4-??(trifluoromethyl)??-??1,??3-??azoles. It may also be useful in the preparation of substituted (trifluoromethyl)??azoles as herbicides.