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. 2025 Jan 4;19(1):4. doi: 10.1186/s13065-024-01371-4

Table 3.

Physicochemical properties of molecules

Physicochemical properties Desloratadine Levocetirizine Fexofenadine CAPE Quercetin Melatonin Curcumin Vit C
Formula C19H19ClN2 C21H25ClN2O3 C32H39NO4 C17H16O4 C15H10O7 C13H16N2O2 C21H20O6 C6H8O6
Molecular weight g/mol 310.82 388.89 501.6 284.3 302.2 232.28 368.38 176.12
Num. heavy atoms 22 27 37 21 22 17 27 12
Num. arom. heavy atoms 12 12 18 12 16 9 12 0
Fraction Csp3 0.32 0.38 0.41 0.12 0.00 0.31 0.14 0.50
Num. rotatable bonds 0 8 10 6 1 5 8 2
Num. H-bond acceptors 2 5 5 4 7 2 6 6
Molar Refractivity 95.47 113.73 151.59 80.77 78.03 67.18 102.80 35.12
TPSA (Å2) 24.92 53.01 81.00 66.76 131.36 54.12 93.06 107.22
Log Po/w (XLOGP3) 4.50 1.70 3.01 4.15 1.54 1.59 3.20 − 1.64
Lipinski Yes; 0 violation Yes; 0 violation Yes; 1 violation: MW > 500 Yes; 0 violation Yes; 0 violation Yes; 0 violation Yes; 0 violation Yes; 0 violation
Ghose Yes Yes No; 3 violations: MW > 480, MR > 130, #atoms > 70 Yes Yes Yes Yes No; 2 violations: WLOGP < − 0.4, MR < 40
Veber Yes Yes Yes Yes Yes Yes Yes Yes
Egan Yes Yes Yes Yes Yes Yes Yes Yes
Muegge Yes Yes Yes Yes Yes Yes Yes No; 1 violation: MW < 200
Bioavailability Score 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55
Synthetic accessibility 3.21 3.19 4.12 2.64 3.23 1.73 2.97 3.47

The pink area shows the optimal range for each property (Lipophilicity: XLOGP3 between − 0.7 and + 5.0, Size: MW between 150 and 500 g/mol, polarity: TPSA between 20 and 130 Å2, solubility: log S not higher than 6, Saturation: fraction of carbons in the sp3 hybridization not less than 0.25, and Flexibility: no more than 9 rotatable bonds