Cedrene

Cedrene is a sesquiterpene found in the essential oil of cedar. The two isomers present in the oil are (−)-α-cedrene^[3][4] and (+)-β-cedrene,^[5] which differ in the position of a double bond.

Quick facts Names, Identifiers ...

(−)-α-cedrene

Names
IUPAC name Cedr-8-ene
Systematic IUPAC name (3R,3aS,7S,8aS)-3,6,8,8-Tetramethyl-2,3,4,7,8,8a-hexahydro-1H-3a,7-methanoazulene
Identifiers
CAS Number	11028-42-5 Y 469-61-4 (α) Y 546-28-1 (β) Y
3D model (JSmol)	Interactive image
Beilstein Reference	2207578
ChEBI	CHEBI:10216
ChemSpider	4936353
ECHA InfoCard	100.031.131
EC Number	234-257-7
KEGG	C09630
PubChem CID	6431015
UNII	1M4BF4O9SA Y 50D4A81G8T (α) Y 6QL7ERD5Q1 (β) Y
InChI InChI=1S/C15H24/c1-10-7-8-15-9-12(10)14(3,4)13(15)6-5-11(15)2/h7,11-13H,5-6,8-9H2,1-4H3/t11-,12+,13+,15+/m1/s1 Key: IRAQOCYXUMOFCW-OSFYFWSMSA-N InChI=1/C15H24/c1-10-7-8-15-9-12(10)14(3,4)13(15)6-5-11(15)2/h7,11-13H,5-6,8-9H2,1-4H3/t11-,12+,13+,15+/m1/s1 Key: IRAQOCYXUMOFCW-OSFYFWSMBF
SMILES C[C@@H]1CC[C@@H]2[C@]13CC=C([C@H](C3)C2(C)C)C
Properties
Chemical formula	C15H24
Molar mass	204.357 g·mol−1
Density	0.932 g/mL at 20 °C[1]
Boiling point	261–262 °C[1]
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H226, H304, H410
Precautionary statements	P210, P233, P240, P241, P242, P243, P273, P280, P301+P310, P303+P361+P353, P331, P370+P378, P391, P403+P235, P405, P501
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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Quick facts Names, Identifiers ...

(+)-β-cedrene

Names
IUPAC name Cedr-8(15)-ene
Systematic IUPAC name (3R,3aS,7S,8aS)-3,6,8,8-Tetramethyl-6-methylideneoctahydro-1H-3a,7-methanoazulene
Identifiers
CAS Number	546-28-1 Y
3D model (JSmol)	Interactive image
ChemSpider	9281621
ECHA InfoCard	100.031.131
PubChem CID	11106485
UNII	6QL7ERD5Q1 Y
InChI InChI=1S/C15H24/c1-10-7-8-15-9-12(10)14(3,4)13(15)6-5-11(15)2/h11-13H,1,5-9H2,2-4H3/t11-,12+,13+,15+/m1/s1 Key: DYLPEFGBWGEFBB-OSFYFWSMSA-N InChI=1/C15H24/c1-10-7-8-15-9-12(10)14(3,4)13(15)6-5-11(15)2/h11-13H,1,5-9H2,2-4H3/t11-,12+,13+,15+/m1/s1 Key: DYLPEFGBWGEFBB-OSFYFWSMBA
SMILES C[C@@H]1CC[C@@H]2[C@]13CCC(=C)[C@H](C3)C2(C)C
Properties
Chemical formula	C15H24
Molar mass	204.357 g·mol−1
Density	0.932 g/mL at 20 °C[2]
Boiling point	263–264 °C[2]
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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