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CAS 482-39-3 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 8898612/07/2012

KAEMPFEROL RHAMNOSIDE

4H-1Benzopyran-4-one, e-[(6-deoxy-α-L-mannopyranosyl)oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-; Kaempferin

KAEMPFEROL RHAMNOSIDE 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 482-39-3

CAS 482-39-3PubChem CID 5316673

Afzelin

Afzelin is a glycosyloxyflavone that is kaempferol attached to an alpha-L-rhamnosyl residue at position 3 via a glycosidic linkage. It has a role as an antibacterial agent, an anti-inflammatory agent and a plant metabolite. It is a trihydroxyflavone, a glycosyloxyflavone and a monosaccharide derivative. It is functionally related to a kaempferol. It is a conjugate acid of an afzelin(1-). — ChEBI

IUPAC name: 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-one

Molecular formula: C21H20O10
Molecular weight: 432.4 g/mol
Exact mass: 432.10564683 Da
XLogP3: 1.2
Topological polar surface area: 166.0 Å²
Hydrogen-bond donors: 6
Hydrogen-bond acceptors: 10
Covalent units: 1
Defined stereocentres: 5

Also known as

Kaempferinkaempferol-3-rhamnosideKaempferol 3-rhamnosideKaempferol 3-O-alpha-L-rhamnosidekaempferol 3-O-alpha-L-rhamnopyranoside5M86W1YH7Okaempherol 3-O-alpha-rhamnosideCHEBI:80790

16 more reported names

4H-1-Benzopyran-4-one, 3-((6-deoxy-alpha-L-mannopyranosyl)oxy)-5,7-dihydroxy-2-(4-hydroxyphenyl)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl)oxychromen-4-onedeacyl-SL0101RefChem:1100635,7-dihydroxy-2-(4-hydroxyphenyl)-3-((2S,3S,5R)-3,4,5-trihydroxy-6-methyloxan-2-yl)oxychromen-4-oneKaempferol rhamnosideKAEMPFEROL-3-O-RHAMNOSIDEKAEMPFEROL 3-O-RHAMNOPYRANOSIDEkaempferol-3-o-alpha-l-rhamnopyranoside5,7-dihydroxy-2-(4-hydroxyphenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4-Oxo-4h-Chromen-3-Yl 6-Deoxy-Alpha-L-Mannopyranoside5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydropyran-2-yl]oxy-chromen-4-oneKaempferol 3-O-?-L-RhamnosideAfzelosidekaempferol-3-o-beta-rhamnosidekaempferol-rhamnose

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:80790
ChEMBL:CHEMBL240528
EPA DTXSID:DTXSID50197459
PubMed:22667148
PubMed:22428235
PubMed:22375395
PubMed:21893172
PubMed:20939183
PubMed:20843529
PubMed:20726786
PubMed:20112714
PubMed:20069904
PubMed:19769367
PubMed:18639907
PubMed:18590191

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 KAEMPFEROL RHAMNOSIDE

INCI name

KAEMPFEROL RHAMNOSIDE

Description

4H-1Benzopyran-4-one, e-[(6-deoxy-α-L-mannopyranosyl)oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-;
Kaempferin

Record provenance

Inventory reference: 88986
Imported identity: KAEMPFEROL RHAMNOSIDE
Source update: 12/07/2012

European Commission CosIng source notes

Annex records for KAEMPFEROL RHAMNOSIDE

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Key data

CAS

482-39-3

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Restriction

—

Function

—

Official EU ingredient-name evidence

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

#14129 · KAEMPFEROL RHAMNOSIDE

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 KAEMPFEROL RHAMNOSIDE appears in the CosIng inventory

The CosIng inventory lists KAEMPFEROL RHAMNOSIDE 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.

Regulatory conditions, if any, come from Annex II–VI records and should be checked before use in a formulation.

Frequently asked questions

KAEMPFEROL RHAMNOSIDE 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.

CAS 482-39-3 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 KAEMPFEROL RHAMNOSIDE

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

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