Compound | Structure | Molecular mass (g∙mol−1) | pKa | Log Koc (1∙kg−1) | Solubility (mg∙L−1) |
17 β-Estradiol (E2) |
| 272.38 | 10.7 | 3.10 - 4.01 | 13.0 |
Estrone (E1) |
| 270.37 | 10.3 - 10.8 | 2.45 - 3.34 | 6.0 - 13.0 |
17 α-Ethinylestradiol (EE2) |
| 296.40 | 10.3 ± 0.2 | 2.91 - 3.04 | 4.8 |
Estriol (E3) |
| 288.38 | 10.4 | 2.13 - 2.62 | 32 |