Injection Retention Time Peak area Injection-1 8.775 69076 Injection-2 8.774 71040 Injection-3 8.773 70669 Injection-4 8.772 69784 Injection-5 8.774 70605 Injection-6 8.773 71040 Average 8.773 70235 Standard Deviation 0.001 794 % RSD 0.11 1.1

Table 2: Intra-day precision of the proposed method for Ramipril in plasma.