Palonosetron (INN, trade name Aloxi) is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). It is used for the control of delayed CINV—nausea and vomiting and there are tentative data to suggest that it may be more effective than granisetron.

CAS：135729-61-2
中文别名：
英文别名：2-Qhbiqo;1H-Benz[de]isoquinolin-1-one, 2-(1-azabicyclo[2.2.2]oct-3-yl)-2,3,3a,4,5,6-hexahydro-, [S-(R*,R*)]-, hydrochloride;
分子式：C19H25ClN2O
分子量：332.868
精确质量：332.166
Psa：23.55
Logp：3.3343

UNII：5D06587D6R

密度：1.24 g/cm3
沸点：470.4ºC at 760 mmHg