Stilbestrol

Stilbestrol, or stilboestrol, also known as 4,4'-dihydroxystilbene or 4,4'-stilbenediol, is a stilbenoid nonsteroidal estrogen and the parent compound of a group of more potent nonsteroidal estrogen derivatives that includes, most notably, diethylstilbestrol (DES). The term "stilbestrol" is often used incorrectly to refer to DES, but they are not the same compound.

Not to be confused with Diethylstilbestrol.
Stilbestrol
Names
Preferred IUPAC name
4,4′-[(E)-Ethene-1,2-diyl]diphenol
Other names
Dihydroxystilbene; 4,4'-Dihydroxystilbene, 4,4'-stilbenediol
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C14H12O2/c15-13-7-3-11(4-8-13)1-2-12-5-9-14(16)10-6-12/h1-10,15-16H/b2-1+
    Key: XLAIWHIOIFKLEO-OWOJBTEDSA-N
  • C1=CC(=CC=C1C=CC2=CC=C(C=C2)O)O
  • c1cc(ccc1/C=C/c2ccc(cc2)O)O
Properties
C14H12O2
Molar mass 212.24388 g/mol
-130·10−6 cm3/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Stilbestrol itself is an active estrogen but is less potent than DES and other derivatives.

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