4-Chlorobenzoylacetonitrile (CAS NO.4640-66-8), its Synonyms are 3-(4'-Chlorophenyl)-3-oxopropanenitrile ; 3-(4-Chlorophenyl)-3-oxopropanenitrile ; 3-(4-Chloro-phenyl)-3-oxo-propionitrile ; 4-Chlorobenzoylacetonitrile 98.5% ; Tosylate ; 3-Oxo-3-(4-chlorophenyl)propanenitrile . It is light yellow needles.