The preparing cartap by route of non-sodium cyanide was studied in the paper.

研究了巴丹的非化钠路成，采用的成方法工艺简单，原料易得。

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-巯基并唑法是先将溴氯甲烷硫化钠反应生成硫酸氯甲酯，然后硫酸氯甲酯2-巯基并唑反应得到。