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CAS 4674-50-4

CAS 4674-50-4 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 4674-50-4
CAS 4674-50-4PubChem CID 1268142

(+)-Nootkatone

(+)-nootkatone is a sesquiterpenoid that is 4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one which is substituted by methyl groups at positions 4 and 4a, and by an isopropenyl group at position 6 (the 4R,4aS,6R stereoisomer). It has a role as a fragrance, an insect repellent and a plant metabolite. It is a sesquiterpenoid, a carbobicyclic compound and an enone. — ChEBI

IUPAC name
(4R,4aS,6R)-4,4a-dimethyl-6-prop-1-en-2-yl-3,4,5,6,7,8-hexahydronaphthalen-2-one
Molecular formula
C15H22O
Molecular weight
218.33 g/mol
Exact mass
218.167065321 Da
XLogP3
3.9
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
3

Also known as

NOOTKATONEIZ2Y119N4J1(10),11-Eremophiladien-2-one4Betah,5alpha-eremophila-1(10),11-dien-2-one2(3H)-Naphthalenone, 4,4a,5,6,7,8-hexahydro-4,4a-dimethyl-6-(1-methylethenyl)-, (4R,4aS,6R)-FEMA NO. 4941CHEBI:813774betaH,5alpha-Eremorphila-1(10)11-dien-2-one
16 more reported names
4,4a,5,6,7,8-Hexahydro-6-isopropenyl-4,4a-dimethyl-2(3H)-naphthalenone4a,5-Dimethyl-1,2,3,4,4a,5,6,7-octahydro-7-keto-3-isopropenylnaphthalene4,4a,5,6,7,8-Hexahydro-4,4a-dimethyl-6-(1-methylethenyl)-2(3H)-naphthalenone, (4R-(4alpha,4aalpha,6beta))-4,4A,5,6,7,8-HEXAHYDRO-6-ISO-PROPENYL-4,4A-DIMETHYL-2(3H)-NAPHTHALENONERefChem:854683225-124-4942-649-0Nootkanone(+/-)-Nootkatone(4R,4aS,6R)-4,4a-dimethyl-6-(prop-1-en-2-yl)-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-oneNootkatone, (+/-)-UNII-3K3OKV2A5AnootkatonNootkatone (+/-)-form [MI]3K3OKV2A5A7betaH-Eremophila-1(10),11-dien-2-one -
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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 4674-50-4

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How CAS 4674-50-4 is used on this site

CAS 4674-50-4 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 4674-50-4 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.