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CAS 123297-90-5 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 9078114/10/2013

HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE

2-(1-Hydroxyethyl)-5-hydroxynaphto[2,3-b]furan-4,9-dione

HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE 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 123297-90-5

CAS 123297-90-5PubChem CID 147719

5-Hydroxy-2-(1-Hydroxyethyl)Naphtho(2,3-B)Furan-4,9-Dione

IUPAC name: 5-hydroxy-2-(1-hydroxyethyl)benzo[f][1]benzofuran-4,9-dione

Molecular formula: C14H10O5
Molecular weight: 258.23 g/mol
Exact mass: 258.05282342 Da
XLogP3: 2.0
Topological polar surface area: 87.7 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 5
Covalent units: 1
Defined stereocentres: 0

Also known as

5-hydroxy-2-(1-hydroxyethyl)naphtho[2,3-b]furan-4,9-dioneNaphtho(2,3-b)furan-4,9-dione, 5-hydroxy-2-(1-hydroxyethyl)-, (S)-RefChem:1027415-Hydroxy-2-(1-hydroxyethyl)benzo(F)(1)benzofuran-4,9-dione(-)-SerratifoliolSERRATIFOLIOLXJGFVZBTNKODFQ-UHFFFAOYSA-N2-(1-hydroxyethyl)-5-hydroxynaphtho[2,3-b]furan-4,9-dione

1 more reported name

NSC-340567

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL392384
EPA DTXSID:DTXSID80924437

Evidence from additional scientific databases

NIH PubChem PUG-View

Exact identifier match147719

Attributed physical-property, hazard, environmental and use annotations.

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status

Source	Result	Checked
NIH PubChem PUG-View	Exact match	2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

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 HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE

INCI name

HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE

Description

2-(1-Hydroxyethyl)-5-hydroxynaphto[2,3-b]furan-4,9-dione

Record provenance

Inventory reference: 90781
Imported identity: HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE
Source update: 14/10/2013

European Commission CosIng source notes

Annex records for HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE

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Key data

CAS

123297-90-5

—

Restriction

—

Function

ANTIMICROBIAL: Preventing and/or slowing down microbial growth.
ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.

Official EU ingredient-name evidence

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

#13253 · HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE

Ingredients with overlapping formulation functions

HYDROLYZED SARGASSUM THUNBERGII EXTRACTANTIMICROBIAL; HAIR CONDITIONING; HUMECTANT; SKIN PROTECTING; SKIN CONDITIONING - HUMECTANT

HYDROLYZED SASA VEITCHII EXTRACTANTIMICROBIAL, DEODORANT

HYDROLYZED TABEBUIA IMPETIGINOSA LEAF EXTRACTANTIMICROBIAL

HYDROXYDICHLORODIPHENYL ETHERANTIMICROBIAL

HYDROXYETHYL ISOBUTYL PIPERIDINE CARBOXYLATEANTIMICROBIAL

HYDROXYLATED FULLERENESANTIMICROBIAL, SKIN CONDITIONING

HYDROXYMETHYL DIOXOAZABICYCLOOCTANEANTIMICROBIAL

HYDROXYPROPYL BISTRIMONIUM DIIODIDEANTIMICROBIAL

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 HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE appears in the CosIng inventory

The CosIng inventory lists HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE 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.

HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE 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

HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE 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, HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE carries the following function designation(s):

CAS 123297-90-5 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 HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE

This page reproduces the CosIng inventory entry for HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE 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 HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONE 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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