From: Novel stability-indicating RP-UPLC method for simultaneous estimation of sitagliptin and ertugliflozin in bulk and pharmaceutical formulations
Drug
Level of addition
Amount added
Drug found (mg/ml)
% Recovery
Average % recovery
(%)
(mg)
Mean±SD
Ertugliflozin
50
7.5
7.5±0.01
99.8±0.28
99.7±0.42
100
15
14.9±0.1
99.8±0.65
150
22.5
22.4±0.04
99.4±0.18