Praziquantelcas no.: 55268-74-1formula: c19h24n2o2molecular weight: 312.45synonyms: drontal;prestwick_402;4h-pyrazino(2, 1-a)isoquinolin-4-one, 2-(cyclohexylcarbonyl)- 1, 2, 3, 6, 7, 11b-hexahydro-;biltricide (tn);2-(cyclohexylcarbonyl)-1, 2, 3, 6, 7, 11b-hexahydro-4h-pyrazino(2, 1-a)isoquinolin-4-one;5-24-03-00361 (beilstein handbook reference);2-(cyclohexylcarbonyl)-1, 2, 3, 6, 7, 11b-hexahydro- 4h-pyrazino[2, 1-a]-isoquinolin-4-one;drontal plus;droncit;praziquantel (jan/usp);cutter;einecs: 259-559-6density: 1.22 g/cm3melting point: 136-138 cboiling point: 544.1 c at 760 mmhgflash point: 254.6 cappearance: white or practically white crystalline powderrisk codes: 11-34safety description: 16-26-36/37/39-45 availableforms: powder.