Physicochemical properties of selected cationic drugs

Cationic DrugsMolecular WeightlogPappafuBbpKacMetabolism Enzyme
Propranolol259.343.100.699.45CYP2D2
Labetalol328.412.690.577.4Glucuronosyl transferase
Metoprolol267.361.790.769.17CYP2D2/3A2
Antipyrine188.230.331.001.45CYP3A2
Atenolol266.340.140.479.6CYP2D2
  • Log octanol/water partition coefficient at pH 7.4 values (Hung et al., 2001).

  • Fraction unbound in perfusate acquired with microfiltration method.

  • Negative logarithm of the ionization constant.