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CAS 39212-23-2

CAS 39212-23-2 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 39212-23-2
CAS 39212-23-2PubChem CID 62900

5-Butyl-4-methyldihydro-2(3H)-furanone

Quercuslactone a is a gamma-lactone. — ChEBI

IUPAC name
5-butyl-4-methyloxolan-2-one
Molecular formula
C9H16O2
Molecular weight
156.22 g/mol
Exact mass
156.115029749 Da
XLogP3
2.5
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Oaklactone3-Methyl-4-octanolidebeta-Methyl-gamma-octalactone4-Hydroxy-3-methyloctanoic acid lactoneFEMA No. 3803HKX8Y5BUAORefChem:902193254-357-4
16 more reported names
Whiskey lactoneMethyloctalactoneQuercuslactone amethyl octalactone2(3H)-Furanone, 5-butyldihydro-4-methyl-5-Butyldihydro-4-methyl-2(3H)-furanonetrans-Whiskeylactone5-Butyl-4-methyldihydrofuran-2(3H)-onet-Whiskylactone(E)-WhiskylactoneUNII-HKX8Y5BUAOEINECS 254-357-4Trans-quercus lactone5-Butyldihydro-4-methylfuran-2(3H)-one5-Butyl-4-methyl-dihydro-2(3H)-furanoneWhiskey lactone, >=98%
Open full PubChem recordPubChem annotations3D structure image
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 39212-23-2

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How CAS 39212-23-2 is used on this site

CAS 39212-23-2 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 39212-23-2 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.