4-Chloro-1-naphthol is primarily used for the detection of proteins, it gives a characteristic purple precipitate and the reactions are easily controllable. It can be used as a substitute for benzidine compounds, which are considered to be carcinogenic.电泳测试: 适用于印迹膜上过氧化物酶检测。 过氧化物酶染色：用在等电聚焦和硝酸纤维素膜免疫印迹检测专一性抗原中；在点免疫检测人IgE2中；快速多色Western blot印迹中。 4-Chloro-1-naphthol is primarily used for the detection of proteins, it gives a characteristic purple precipitate and the reactions are easily controllable. It can be used as a substitute for benzidine compounds, which are considered to be carcinogenic.