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CAS 3658-77-3 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 7589515/10/2010

DIMETHYLHYDROXY FURANONE

4-Hydroxy-2,5-dimethylfuran-2(3H)-one

DIMETHYLHYDROXY FURANONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 3658-77-3

CAS 3658-77-3PubChem CID 19309

Furaneol

4-hydroxy-2,5-dimethylfuran-3-one is a member of the class of furans that is 2,5-dimethylfuran carrying additional oxo and hydroxy groups at positions 3 and 4 respectively. It has been found particularly in strawberries and other such fruits. It has a role as a flavouring agent, a fragrance and a plant metabolite. It is a member of furans, an enol and a cyclic ketone. It is a conjugate acid of a 4-hydroxy-2,5-dimethylfuran-3-olate. — ChEBI

IUPAC name: 4-hydroxy-2,5-dimethylfuran-3-one

Molecular formula: C6H8O3
Molecular weight: 128.13 g/mol
Exact mass: 128.047344113 Da
XLogP3: 0.7
Topological polar surface area: 46.5 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

4-hydroxy-2,5-dimethylfuran-3(2H)-one2,5-Dimethyl-4-hydroxy-3(2H)-furanone4-Hydroxy-2,5-dimethyl-3(2H)-furanone4-Hydroxy-2,5-dimethyl-3(2H)furanoneAlletonePineapple ketoneDimethylhydroxy furanoneStrawberry furanone

16 more reported names

3(2H)-Furanone, 4-hydroxy-2,5-dimethyl-Coe 5362,5-Dimethyl-4-hydroxy-2,3-dihydrofuran-3-oneFEMA No. 31742,5-Dimethyl-3-hydroxy-4-oxo-4,5-dihydrofuran4-hydroxy-2,5-dimethyl-2,3-dihydrofuran-3-one20PI8YZP7A3(2H)-FURANONE, 2,5-DIMETHYL-4-HYDROXY-CHEBI:762472,5-DIMETHYLDIHYDROFURANOLONE2,5-dimethyl-4-hydroxy-3[2h]-furanone4-HDMFRefChem:607777222-908-8FEMA 3174ALNOSE

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External database identifiers

ChEBI:CHEBI:76247
ChEMBL:CHEMBL3186302
EPA DTXSID:DTXSID0041517

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

Inventory details for DIMETHYLHYDROXY FURANONE

INCI name

DIMETHYLHYDROXY FURANONE

Description

4-Hydroxy-2,5-dimethylfuran-2(3H)-one

Record provenance

Inventory reference: 75895
Imported identity: DIMETHYLHYDROXY FURANONE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIMETHYLHYDROXY FURANONE

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Key data

CAS

3658-77-3

222-908-8

Restriction

—

Function

FRAGRANCE: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
TONIC: Producing a feeling of well-being on skin and hair.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#9030 · DIMETHYLHYDROXY FURANONE

Ingredients with overlapping formulation functions

CYMBOPOGON SCHOENANTHUS OILFRAGRANCE, TONIC

CYPRIPEDIUM PUBESCENS EXTRACTSKIN CONDITIONING, TONIC

DIHYDROJASMONATEFRAGRANCE; TONIC

DIMETHYL HEXAHYDRONAPHTHYL DIHYDROXYMETHYL ACETALFRAGRANCE, TONIC

DIMETHYLOCTAHYDRO-2-NAPHTHALDEHYDEFRAGRANCE, TONIC

DIOSPYROS KAKI LEAF EXTRACTSKIN PROTECTING, TONIC

DIPROPYLENE GLYCOL SALICYLATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, TONIC, VISCOSITY CONTROLL…

DROSERA ROTUNDIFOLIA EXTRACTSKIN CONDITIONING, TONIC

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How DIMETHYLHYDROXY FURANONE appears in the CosIng inventory

The CosIng inventory lists DIMETHYLHYDROXY FURANONE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DIMETHYLHYDROXY FURANONE is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

DIMETHYLHYDROXY FURANONE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, DIMETHYLHYDROXY FURANONE carries the following function designation(s):

CAS 3658-77-3 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for DIMETHYLHYDROXY FURANONE

This page reproduces the CosIng inventory entry for DIMETHYLHYDROXY FURANONE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research DIMETHYLHYDROXY FURANONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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