Use and description |
Estriol (E3), also spelled oestriol, is a steroid, a weak estrogen, and a minor female sex hormone. It is one of three major endogenous estrogens, the others being estradiol and estrone. Levels of estriol in women who are not pregnant are almost undetectable. During PREGNANCY, a large amount of estriol is produced by the PLACENTA. Isomers with inversion of the hydroxyl group or groups are called epiestriol. |
Physical Characters and Index |
Product Name:Estriol Other Name:Oestriol CAS:50-27-1 Molecular Formula:C18H24O3 Molecular Weight:288.38 Appearance:White or off-white powder. Melting point:280-282 °C(lit.) Boiling point:370.61°C (rough estimate) Storage conditions:2-8°C |