Compound: phenolphthalein
SMILES: Oc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(O)cc4 
Molecular weight: 318.32800000000003
Number of H-bond donors: 2
Number of rings: 4
Number of rotatable bonds: 2
Polar surface area: 66.76
Minimum degree: 1
ESOL predicted log solubility (mol/L): -4.59
Measured log solubility (mol/L): -2.9