Sample Code Impurities (%) (Initial) Impurities (%) (550C) 14 days Impurities (%) (400C/75%RH) 28 Days Umax* Total Impurities Umax* Total Impurities Umax* Total Impurities  RZ01 0.02 0.04 0.03 0.05 0.02 0.04 RZ09 0.02 0.04 0.02 0.04 0.02 0.05 RZ10 0.03 0.03 0.03 0.04 0.03 0.04 RZ11 0.02 0.03 0.02 0.04 0.02 0.04 RZ12 0.03 0.04 0.03 0.05 0.02 0.04 RZ13 0.03 0.04 0.02 0.04 0.03 0.04 RZ14 0.03 0.04 0.03 0.04 0.03 0.03 RZ15 0.03 0.04 0.02 0.04 0.03 0.06 Note: Umax* means Unknown Impurity Maximum

Table 9: Related impurities results for Ranolazine with different excipients in compatibility studies.