Novel stability-indicating RP-UPLC method for simultaneous estimation of sitagliptin and ertugliflozin in bulk and pharmaceutical formulations

Future Journal of Pharmaceutical Sciences

Table 3 Intra-day and inter-day precision of sitagliptin (n=6)

Drug	Concentration	Intra-day precision		Inter-day precision
Drug	Concentration	Mean±SD	%RSD	Mean±SD	%RSD
Sitagliptin	100mg	994622.3±3381.02	0.3	956575.2±1926.26	0.2

n number of determinations, SD standard deviation, RSD relative standard deviation, % percentage, mg milligram