A headspace GC method for the determination of residual organic solvents (methanol, dichloromethane, acetonitrile and toluene) in desloratadine was established.

• 采用顶空气相色谱法同时测定地氯雷他定中甲醇、二氯甲烷、乙腈、甲苯4种有机溶剂残留量。