ChemAxon logD calculator

Logarithm of the octanol/water distribution coefficient

Weights of the three, built-in calculation methods:

• VG (Viswanadhan, V. N.; Ghose, A. K.; Revankar, G. R.; Robins, R. K. J. Chem. Inf. Comput. Sci., 1989, 29, 163-172)
• KLOP (Klopman, G.; Li, Ju-Yun.; Wang, S.; Dimayuga, M. J. Chem. Inf. Comput. Sci., 1994, 34, 752)
• PHYS (PHYSPROP© database)

Cl^- concentration

range: 0 - 0.25 M

Na⁺ + K⁺ concentration

range: 0 - 0.25 M

Calculates logD at the given pH

Consider tautomerization and resonance