(R)-(-)-Praziquantel; (11bR)-2-cyclohexanecarbonyl-1H,2H,3H,4H,6H,7H,11bH-piperazino[2,1-a]isoquinolin-4-one; CAS No.: 57452-98-9; ChemShuttle is a worldwide chemical supplier, offering (11bR)-2-cyclohexanecarbonyl-1H,2H,3H,4H,6H,7H,11bH-piperazino[2,1-a]isoquinolin-4-one, a pharma building block for medicinal chemistry. Our advanced synthesis capabilities support innovative research projects.