CAS 144598-75-4 appears in our catalog under these names: Risperidone EP Impurity C (Paliperidone, 9-Hydroxy Risperidone), Risperidone Impurity 3（Risperidone EP Impurity C）, Paliperidone, Paliperidone, >95% (HPLC), Paliperidone (9-Hydroxyrisperidone). Offered by: Chemat Brand, Hubei YoungXin, TRC, Mikromol, Lipomed. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg, 1ml, 10mM (in 1ml dmso).