Bilobol

Bilobol is an alkylresorcinol from Ginkgo biloba. Chemically, it is similar in structure to urushiol, the irritant found in poison ivy; it is a strong skin irritant itself.

Bilobol

Names
Preferred IUPAC name 5-[(8Z)-Pentadec-8-enyl]benzene-1,3-diol
Other names 5-[(Z)-Pentadec-8-en-1-yl]resorcinol 5-Pentadecenylresorcinol
Identifiers
CAS Number	22910-86-7 Y
3D model (JSmol)	Interactive image Interactive image
ChemSpider	4445147
PubChem CID	5281852
CompTox Dashboard (EPA)	DTXSID90872874
InChI InChI=1S/C21H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-19-16-20(22)18-21(23)17-19/h7-8,16-18,22-23H,2-6,9-15H2,1H3/b8-7- Key: TUGAUFMQYWZJAB-FPLPWBNLSA-N InChI=1/C21H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-19-16-20(22)18-21(23)17-19/h7-8,16-18,22-23H,2-6,9-15H2,1H3/b8-7- Key: TUGAUFMQYWZJAB-FPLPWBNLBC
SMILES Oc1cc(cc(O)c1)CCCCCCC\C=C/CCCCCC CCCCCCC=CCCCCCCCC1=CC(=CC(=C1)O)O
Properties
Chemical formula	C21H34O2
Molar mass	318.501 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Natural occurrences

Bilobol can be found in Ginkgo biloba fruits.