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-巯基苯并噻法先将溴氯甲与硫氰化钠成硫氰酸氯甲酯，然后硫氰酸氯甲酯与2-巯基苯并噻得到苯噻氰。