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