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

另一2-苯并噻唑法是先将溴与硫氰化钠反应生成硫氰酯，然后硫氰酯与2-苯并噻唑反应得到苯噻氰。