Butestrol

Butestrol, or racemic butestrol (rac-butestrol) is a synthetic nonsteroidal estrogen which was never marketed.^[1][2][3] It is structurally related to diethylstilbestrol and other stilbestrols.^[4]

Other namesButoestrol; Racemic butestrol; rac-Butestrol; dl-Butestrol; Isobutestrol

Drug classNonsteroidal estrogen

CAS Number

• 5776-76-1 ^Y

PubChem CID

• 197049

Quick facts Clinical data, Other names ...

Butestrol

left: (S,S)-butestrol right: (R,R)-butestrol
Clinical data
Other names	Butoestrol; Racemic butestrol; rac-Butestrol; dl-Butestrol; Isobutestrol
Drug class	Nonsteroidal estrogen
Identifiers
IUPAC name 4-[(2R,3R)-3-(4-hydroxyphenyl)butan-2-yl]phenol
CAS Number	5776-76-1 Y
PubChem CID	197049
ChemSpider	170656
UNII	9S69QHQ4DU
Chemical and physical data
Formula	C16H18O2
Molar mass	242.318 g·mol−1
3D model (JSmol)	Interactive image
SMILES C[C@@H](C1=CC=C(C=C1)O)[C@@H](C)C2=CC=C(C=C2)O
InChI InChI=1S/C16H18O2/c1-11(13-3-7-15(17)8-4-13)12(2)14-5-9-16(18)10-6-14/h3-12,17-18H,1-2H3/t11-,12-/m1/s1 Key:GDUYFVYTXYOMSJ-VXGBXAGGSA-N

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