Skip to main content
CAS 0 records

CAS 489-40-7

CAS 489-40-7 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 489-40-7
CAS 489-40-7PubChem CID 15560276

(-)-alpha-Gurjunene

(-)-alpha-gurjunene is a carbotricyclic compound and sesquiterpene that is 1a,2,3,4,4a,5,6,7b-octahydro-1H-cyclopropa[e]azulene which is substituted by methyl groups at positions 1, 1, 4 and 7 (the 1aR,4R,4aR,7bS- diastereoisomer). It has been isolated from several plant species such as Anaphalis nubigena and Jatropha ribifolia. It has a role as a volatile oil component, an antibacterial agent and a plant metabolite. It is a sesquiterpene and a carbotricyclic compound. It is an enantiomer of a (+)-alpha-gurjunene. ChEBI

IUPAC name
(1aR,4R,4aR,7bS)-1,1,4,7-tetramethyl-1a,2,3,4,4a,5,6,7b-octahydrocyclopropa[e]azulene
Molecular formula
C15H24
Molecular weight
204.35 g/mol
Exact mass
204.187800766 Da
XLogP3
4.1
Topological polar surface area
0.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
0
Covalent units
1
Defined stereocentres
4

Also known as

(1aR,4R,4aR,7bS)-1,1,4,7-tetramethyl-1a,2,3,4,4a,5,6,7b-octahydro-1H-cyclopropa[e]azuleneCHEBI:61699(-)-.alpha.-Gurjunene1,1,4,7-tetramethyl-1a,2,3,4,4a,5,6,7b-octahydrocyclopropa(e)azulene1,1,4,7-tetramethyl-1a,2,3,4,4a,5,6,7b-octahydrocyclopropa[e]azulene(1aR,4R,4aR,7bS)-1,1,4,7-tetramethyl-1a,2,3,4,4a,5,6,7b-octahydro-1H-cyclopropa(e)azuleneRefChem:67690alpha-Gurjunene
10 more reported names
Gurjunenealpha-gurjenenealpha-gurujeneiota-gurjunenea-gurjuneneGurjunene-alphaSPCXZDDGSGTVAW-XIDUGBJDSA-N1H-cycloprop[e]azulene,1abeta,2,3,4,4aalpha,5,6,7bbeta-octahydro-1,1,4beta,7-tetramethyl1H-cyclopropa[e]azulene, 1a,2,3,4,4a,5,6,7b-octahydro-1,1,4,7-tetramethyl1H-cycloprop[e]azulene,1a,2,3,4,4a,5,6,7b-octahydro-1,1,4,7-tetramethyl-,[1aR-(1aalpha,4alpha,4abeta,7balpha)]-
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 489-40-7

0 total
No records found for this CAS number.

How CAS 489-40-7 is used on this site

CAS 489-40-7 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 489-40-7 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.