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A simple, economical, sensitive, authentic, and faithful technique was used for the study of simultaneous evaluation of Ertugliflozin and Metformin in tablet dosage forms. The Chromatographic analysis was performed isocratically by using a Phenomenex C18 column (150 mm × 4.6 mm, 5 μm), and a mobile phase containing acetonitrile and 0.1% OPA buffer, with a proportion of 40: 60% v/v was passed throughout the column maintained at a temperature of 30 °C with a flow rate of 1 ml/min. Approximately, 10 μl of drug solution was injected and the analytes were eluted at 220.0 nm. The elution times of Ertugliflozin and Metformin were 2.226 min and 2.955 min, respectively. The percentage RSD of Ertugliflozin and Metformin are 0.60 and 0.59, respectively. The percentage recoveries of Ertugliflozin and Metformin were determined to be 100.55% and 99.40%, respectively. LOD, LOQ values of Metformin and Ertugliflozin obtained were found to be 0.10, 0.2 μg/ml and 0.03, 0.09 μg/ml, respectively. Regression equation of Ertugliflozin was y = 11287x + 1191 and y = 46270x + 161.0 for Metformin. All verification parameters are within the range according to the ICH guidelines, and the degradation products are also within the limits, which show that the method is stable. In the currently developed RP-HPLC analytical method, the elution time and run time is reduced, which proves that the method is economical and widely acceptable, also simple and practical, which can be used in routine quality control tests in the industry.

future journal of pharmaceutical sciences

Stability indicating method development and validation for simultaneous estimation and quantification of Ertugliflozin and Metformin in bulk and tablet dosage form