Topic: Physicochemical Inputs

Worked Physicochemical Input Assessment for Ionizable Drugs

Tautomerism and Apparent pKa in Property Assignment

Selecting Lipophilicity Measurements for Ionizable Drugs

Salt Forms and Free-Drug-Equivalent Solubility Inputs

Reconciling Physicochemical Measurements Across Assays

pKa and Ionization Fractions at Physiological pH

Molecular Weight and Molar-Unit Conversions in PBPK

Molecular Weight in Diffusion-Related Mechanistic Predictions

Lipophilicity: LogP, LogD, and Octanol-Water Partitioning

Intrinsic Solubility and pH-Dependent Total Solubility