Costunolide

Costunolide
Names
	Preferred IUPAC name (3aS,6E,10E,11aR)-6,10-Dimethyl-3-methylidene-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-2(3H)-one
Identifiers
CAS Number	553-21-9 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:3900 ;
ChEMBL	ChEMBL205612 ;
ChemSpider	4444782 ;
ECHA InfoCard	100.208.663
MeSH	(+)-Costunolide
PubChem CID	5281437;
UNII	4IK578SA7Z ;
CompTox Dashboard (EPA)	DTXSID001029520 ;
	InChI InChI=1S/C15H20O2/c1-10-5-4-6-11(2)9-14-13(8-7-10)12(3)15(16)17-14/h5,9,13-14H,3-4,6-8H2,1-2H3/b10-5+,11-9+/t13-,14+/m0/s1 Key: RYLQFBHBWLLLL-AHNJNIBGSA-N ;
	SMILES O=C/1O[C@@H]2/C=C(/CC/C=C(/CC[C@H]2C\1=C)C)C;
Properties
Chemical formula	C15H20O2
Molar mass	232.323 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

(+)-Costunolide is a naturally occurring sesquiterpene lactone, first isolated in Saussurea costus roots in 1960.^[1] It is also found in lettuce.^[1]

^ ^a ^b Cite error: The named reference Kraker was invoked but never defined (see the help page).