4-Chlorobenzenethiol; p-Chlorobenzenethiol; 1-Chloro-4-mercaptobenzene; 4-Chlorobenzenethiol; 4-Chlorophenylmercaptan; 4-Chlorophenylthiol; 4-Chlorothiophenol; 4-Mercaptophenyl chloride; NSC 18714; NSC 229564; p-Chlorobenzenethiol; p-Chlorophenylmercaptan; p-Chlorophenylthiol; p-Chlorothiophenol; p-Mercaptochlorobenzene

4-Chlorobenzenethiol is a reagent used in the synthesis of small-molecule inhibitors of the protein geranylgeranyltransferase Type I (GGTase-I), acting as anti-tumor agents. Also is used in the synthesis of β-sulfanyl carbonyl compounds via Michael addition.