Benzofuran, 7-chloro-2,3-dihydro-2,2-dimethyl-

7-chloro-2,2-dimethyl-2,3-dihydro-1-benzofuran (cas# 10178-55-9) is used as a reactant in the praparation of dichloroallyloxyphenoxyalkoxyheterocycles, which are used as pesticides.