Application of compound in preparation of insecticide

The invention belongs to the technical field of pesticides, and particularly relates to application of a compound 2-{[3-(4-chloro-3-ethylphenoxy)propyl] sulfenyl}-6-methylpyrimidine-4-ol, namely a compound shown as a formula (I), in preparation of an insecticide. The compound shown as the formula (I) is capable of making pests inactive, substantially inactive, and dead after a period of time. According to the invention, the compound shown as the formula (I) is used as an insecticide for the first time, kills pests by inhibiting the absorption of cholesterol of the pests, can prevent and treatvarious agricultural and sanitary pests, and has a remarkable effect. 本发明属于农药技术领域，特别涉及一种化合物，2-{[3-(4-氯-3-乙基苯氧基)丙基]硫基}-6-甲基嘧啶-4-醇，即式(I)化合物，在制备杀虫剂中的应用。本发明的式(I)化合物能够使害虫活力不足，基本失去活动能力，并在一段时间后死亡。本发明首次将式(I)化合物用于杀虫剂，其通过抑制害虫胆固醇的吸收杀灭害虫，能够防治多种农业和卫生害虫，效果显著。