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-巯基苯法是先将溴氯甲与氰化钠反应氰酸氯甲酯，然后氰酸氯甲酯与2-巯基苯反应得到苯氰。