Table 1 Physicochemical Data, MW, and log D (octanol/water, pH 7.4), and Caco-2 permeability for the three tested drugs (from refs 1, 15 and 48).

From: Mass Spectrometry Imaging proves differential absorption profiles of well-characterised permeability markers along the crypt-villus axis

Compound

Propranolol

Metoprolol

Atenolol

Molecular weight (g/mol)

259.35

267.37

266.34

LogD (7.4)

1.45

−0.287

−1.51

Caco-2 Papp (1E-6.cm/s)

41.9

27.0

0.20

Ion Class

Base

Base

Base

Structure