It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

另一种2-巯基苯并噻唑法是先甲与钠反应生成酸甲酯，然后酸甲酯与2-巯基苯并噻唑反应得到苯噻。