Filbertone

Filbertone is the principal flavor compound of hazelnuts.^[1] It is used in perfumery and is designated as generally recognized as safe (GRAS) for use in food products.^[2]

Quick facts Names, Identifiers ...

Filbertone

Names
IUPAC name (2E)-5-Methyl-2-hepten-4-one
Identifiers
CAS Number	102322-83-8 Y 135910-94-0 (R) Y 122440-59-9 (S) Y
3D model (JSmol)	Interactive image
ChemSpider	4515100
ECHA InfoCard	100.133.148
PubChem CID	5362588
UNII	8K2S58736F Y F91628PI7J (R) Y Z91CSH86RZ (S) Y
CompTox Dashboard (EPA)	DTXSID401017670
InChI InChI=1S/C8H14O/c1-4-6-8(9)7(3)5-2/h4,6-7H,5H2,1-3H3/b6-4+ Key: ARJWAURHQDJJAC-GQCTYLIASA-N InChI=1/C8H14O/c1-4-6-8(9)7(3)5-2/h4,6-7H,5H2,1-3H3/b6-4+ Key: ARJWAURHQDJJAC-GQCTYLIABX
SMILES O=C(/C=C/C)C(C)CC
Properties
Chemical formula	C8H14O
Molar mass	126.199 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

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Because filbertone is found in hazelnut oil, its presence can be used to detect the adulteration of olive oil with less expensive hazelnut oil.^[3][4]

The natural compound is a mixture of both enantiomers, and its composition can vary depending on the source.^[5][6]