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CAS 31499-72-6

CAS 31499-72-6 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 31499-72-6
CAS 31499-72-6PubChem CID 35821

Dihydro-alpha-ionone

7,8-Dihydro-alpha-ionone is a sesquiterpenoid. — ChEBI

IUPAC name
4-(2,6,6-trimethylcyclohex-2-en-1-yl)butan-2-one
Molecular formula
C13H22O
Molecular weight
194.31 g/mol
Exact mass
194.167065321 Da
XLogP3
2.8
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

FEMA No. 3628EINECS 250-657-44-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butanoneDihydro-.alpha.-ionone2-BUTANONE, 4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-alpha-Dihydroionone.alpha.-7,8-DihydroiononeUNII-20P9Z50AR5
16 more reported names
.alpha.-Dihydroionone4-(2,2,6-Trimethyl-5-cyclohexen-1-yl)-2-butanone4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)butan-2-oneAI3-3248120P9Z50AR54-(2,6,6-Trimethyl-2-cyclohexen-1-yl-2-butanone2',2''-Dihydro-.alpha.-iononeDIHYDRO-.ALPHA.-IONONE [FHFI]RefChem:1337072',2''-Dihydro-alpha-iononeALPHA-7,8-DIHYDROIONONE(+-)-DIHYDRO-ALPHA-IONONE(+-)-DIHYDRO-.ALPHA.-IONONEDIHYDRO-ALPHA-IONONE, (+-)-DIHYDRO-.ALPHA.-IONONE, (+-)-4-((1R)-2,6,6-trimethylcyclohex-2-en-1-yl)butan-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 31499-72-6

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How CAS 31499-72-6 is used on this site

CAS 31499-72-6 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 31499-72-6 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.