Paliperidone USP RC D; Paliperidone N-Oxide

Paliperidone USP RC D; Paliperidone N-Oxide

3-{2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl) piperidin-1-yl]ethyl}-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one N-oxide

Impurity reference standard used for related substances testing of Paliperidone;9-Hydroxy Risperidone ;Risperidone EP Imp C drug substance and drug product per pharmacopoeial limits.