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Table 4 Linearity of ERTU

From: Development and validation of stability-indicating RP-HPLC method for the simultaneous determination of ertugliflozin pidolate and metformin hydrochloride in bulk and tablets

Concentration [x] (μg/ml) Mean peak area* [y] (AU)
0 0
0.9375 24,802
1.875 49,541
2.8125 74,657
3.75 99,130
4.6875 125,714
5.625 145,645
Linear regression equation (y = mx + c) y = 26,223x + 460.9
Slope (m) 26,223
Intercept (c) 460.9
Correlation coefficient (R2) 0.999
  1. *Average of three determinations