Cadalene

Cadalene
Names
	IUPAC name 4-Isopropyl-1,6-dimethylnaphthalene
	Preferred IUPAC name 1,6-Dimethyl-4-(propan-2-yl)naphthalene
	Other names Cadalin
Identifiers
CAS Number	483-78-3;
3D model (JSmol)	Interactive image;
ChemSpider	9808;
ECHA InfoCard	100.110.415
PubChem CID	10225;
UNII	49X2436USB;
CompTox Dashboard (EPA)	DTXSID40197483 ;
	InChI InChI=1/C15H18/c1-10(2)13-8-6-12(4)14-7-5-11(3)9-15(13)14/h5-10H,1-4H3 Key: VMOJIHDTVZTGDO-UHFFFAOYAQ;
	SMILES c12c(ccc(c1ccc(c2)C)C)C(C)C;
Properties
Chemical formula	C15H18
Molar mass	198.30342
Appearance	Colorless liquid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Cadalene or cadalin (4-isopropyl-1,6-dimethylnaphthalene) is a polycyclic aromatic hydrocarbon with a chemical formula C₁₅H₁₈ and a cadinane skeleton. It is derived from generic sesquiterpenes, and ubiquitous in essential oils of many higher plants.^[1]

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Cadalene, together with retene, simonellite and ip-iHMN, is a biomarker of higher plants, which makes it useful for paleobotanic analysis of rock sediments.

The ratio of retene to cadalene in sediments can reveal the ratio of the genus Pinaceae in the biosphere.^[2]

References