2-Chloro-N-[chloro(2-chlorophenyl)methylene]benzenecarbohydrazonoyl Chloride-d8 is an intermediate for the synthesis of Clofentezine-d8 (C585616), which is a labelled form of Clofentezine which is used in agriculture for the protection of ornamentals, food and non-food crops in the field. Used as a standard for Pesticide detection. Clofentezine is used in cannabis testing kits as a component of pesticide mixes (P698240).