| Name | Formula | Solubility (Log Sw) |
|---|---|---|
| strontium titanate | O3SrTi | -6.53 |
| strophanthin K | C36H54O14 | -1.43 |
| strychnine | C21H22N2O2 | -3.32 |
| styrene | C8H8 | -2.82 |
| succinic acid | C4H6O4 | -0.20 |
| succinic anhydride | C4H4O3 | -0.20 |
| succinimide | C4H5NO2 | 0.30 |
| succinylsulfathiazole | C13H13N3O5S2 | -2.86 |
| sucrose | C12H22O11 | 0.79 |
| sucrose octaacetate | C28H38O19 | -2.87 |
| sufentanil | C22H30N2O2S | -3.71 |
| sulcotrione | C14H13ClO5S | -3.30 |
| sulfabenz | C12H12N2O2S | -1.55 |
| sulfacarbamide | C7H9N3O3S | -1.97 |
| sulfacetamide | C8H10N2O3S | -1.23 |
| sulfacytine | C12H14N4O3S | -2.23 |
| sulfadiazine | C10H10N4O2S | -3.51 |
| sulfadicramide | C11H14N2O3S | -2.99 |
| sulfadimethoxine | C12H14N4O4S | -2.96 |
| sulfadoxine | C12H14N4O4S | -3.17 |
| sulfaethidole | C10H12N4O2S2 | -1.94 |
| sulfaguanidine | C7H10N4O2S | -1.99 |
| sulfamerazine | C11H12N4O2S | -2.85 |
| sulfameter | C11H12N4O3S | -2.58 |
| sulfamethazine | C12H14N4O2S | -2.27 |