PPD43H: Paliperidone Tetradehydro Chloroethyl Impurity

3-(2-Chloro ethyl )-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one HCl ;

CAS # 849727-62-4 (HCl salt) ; 260273-82-3 (base) ;

C11H12Cl2N2O2 ;

MW: 275.13 ;