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CAS 70851-61-5 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 4020402/03/2011

HEXENYLDIHYDROMETHYLFURANONE

(Z)-5-Hex-3-enyldihydro-5-methylfuran-2( 3H)-one

HEXENYLDIHYDROMETHYLFURANONE 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.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 70851-61-5

CAS 70851-61-5PubChem CID 11332852

4-Hydroxy-4-methyl decenoic acid gamma lactone, (7Z)-

4-hydroxy-4-methyl-7-cis-decenoic acid gamma-lactone is a gamma-lactone that is gamma-butyrolactone substituted by a methyl group and a (3Z)-hex-3-en-1-yl group at position 5. It has a role as a flavouring agent. It is a gamma-lactone, a tetrahydrofuranone and an olefinic compound. — ChEBI

IUPAC name: 5-[(Z)-hex-3-enyl]-5-methyloxolan-2-one

Molecular formula: C11H18O2
Molecular weight: 182.26 g/mol
Exact mass: 182.130679813 Da
XLogP3: 2.6
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Lactone of cis-jasmonewaxy lactoneLactone of cis JasmoneKRQ6Q31HYG(Z)-5-Hex-3-enyldihydro-5-methylfuran-2(3H)-one4-Methyl-cis-decene gamma-lactoneEINECS 274-942-84-Methyl-4-hydroxy-cis-7-decenoic acid lactone

16 more reported names

2(3H)-Furanone, 5-(3Z)-3-hexenyldihydro-5-methyl-2(3H)-Furanone, 5-(3-hexenyl)dihydro-5-methyl-, (Z)-2(3H)-Furanone, 5-(3Z)-3-hexen-1-yldihydro-5-methyl-FEMA NO. 39374-Hydroxy-4-methyl-7-cis-decenoic acid lactone(Z)-Dihydro-5-(3-hexenyl)-5-methyl-2(3H)-furanone2(3H)-Furanone, dihydro-5-(3-hexenyl)-5-methyl-, (Z)-4-HYDROXY-4-METHYL-7-CIS-DECENOIC ACID GAMMA-LACTONE4-HYDROXY-4-METHYL DECENOIC ACID .GAMMA. LACTONE, (7Z)-4-HYDROXY-4-METHYL-7-CIS-DECENOIC ACID .GAMMA.-LACTONE4-HYDROXY-4-METHYL-7-CIS-DECENOIC ACID .GAMMA. LACTONE [FHFI]RefChem:5238704-HYDROXY-4-METHYL-7-CIS-DECENOIC ACID GAMMA LACTONE(+-)-4-HYDROXY-4-METHYL-7-CIS-DECENOIC ACID GAMMA LACTONE(+-)-4-HYDROXY-4-METHYL-7-CIS-DECENOIC ACID .GAMMA. LACTONE4-HYDROXY-4-METHYL-7-CIS-DECENOIC ACID .GAMMA. LACTONE, (+-)-

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:234289
EPA DTXSID:DTXSID1052454

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 HEXENYLDIHYDROMETHYLFURANONE

INCI name

HEXENYLDIHYDROMETHYLFURANONE

Description

(Z)-5-Hex-3-enyldihydro-5-methylfuran-2( 3H)-one

Record provenance

Inventory reference: 40204
Imported identity: HEXENYLDIHYDROMETHYLFURANONE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for HEXENYLDIHYDROMETHYLFURANONE

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Key data

CAS

70851-61-5

274-942-8

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

HEXENYL TIGLATEPERFUMING

HEXENYL-TETRAHYDRO-PYRANONEPERFUMING

HEXENYLCYCLOPENTANONEPERFUMING

HEXENYLDIHYDROFURANONEPERFUMING

HEXENYLOXY-PROPANENITRILEPERFUMING

HEXYL ACETATEFLAVOURING, FRAGRANCE, PERFUMING

HEXYL ALCOHOLANTIFOAMING, PERFUMING, SOLVENT, SURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

HEXYL BENZOATEPERFUMING

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 HEXENYLDIHYDROMETHYLFURANONE appears in the CosIng inventory

The CosIng inventory lists HEXENYLDIHYDROMETHYLFURANONE 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.

HEXENYLDIHYDROMETHYLFURANONE is also tagged with 1 cosmetic function 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

HEXENYLDIHYDROMETHYLFURANONE 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, HEXENYLDIHYDROMETHYLFURANONE carries the following function designation(s):

PERFUMING

CAS 70851-61-5 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 HEXENYLDIHYDROMETHYLFURANONE

This page reproduces the CosIng inventory entry for HEXENYLDIHYDROMETHYLFURANONE 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 HEXENYLDIHYDROMETHYLFURANONE 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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