Hydrochloride salt of Desoxy-Palonosetron is a derivative of Palonosetron (P165800) a serotonin 5-HT3 receptor antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Antiemetic. Melting Point: 232-234°C (dec.)Solubility:DMSO, Methanol, Water