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InventoryRef 5528115/10/2010

CHRYSIN

5,7-Dihydroxy-2-phenyl-4H-benzo[b]pyran-4-one

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

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 480-40-0
CAS 480-40-0PubChem CID 5281607

Chrysin

Chrysin is a dihydroxyflavone in which the two hydroxy groups are located at positions 5 and 7. It has a role as an antioxidant, an antineoplastic agent, a hepatoprotective agent, an anti-inflammatory agent, a plant metabolite and an EC 2.7.11.18 (myosin-light-chain kinase) inhibitor. It is a dihydroxyflavone and a 7-hydroxyflavonol. ChEBI

IUPAC name
5,7-dihydroxy-2-phenylchromen-4-one
Molecular formula
C15H10O4
Molecular weight
254.24 g/mol
Exact mass
254.05790880 Da
XLogP3
2.1
Topological polar surface area
66.8 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

5,7-DihydroxyflavoneChrysine4H-1-Benzopyran-4-one, 5,7-dihydroxy-2-phenyl-5,7-Dihydroxy-2-phenyl-4H-1-benzopyran-4-oneFLAVONE, 5,7-DIHYDROXY-NSC-4074363CN01F5ZJ5CHEBI:75095
16 more reported names
5,7-dihydroxy-flavoneRefChem:5686207-549-75,7-Dihydroxy-2-phenyl-4H-chromen-4-one5,7-Dihydroxy-2-phenyl-chromen-4-oneCHEMBL117Crysin5,7-Dihydroxy-2-phenyl-4H-benzo(b)pyran-4-oneChrysin 99+%CAS-480-40-0Chrysinic acidSR-01000765660EINECS 207-549-7NSC 407436BRN 0233276UNII-3CN01F5ZJ5
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.

Inventory details for CHRYSIN

INCI name

CHRYSIN

Description

5,7-Dihydroxy-2-phenyl-4H-benzo[b]pyran-4-one

Record provenance

Inventory reference
55281
Imported identity
CHRYSIN
Source update
15/10/2010
European Commission CosIng source notes

Key data

Restriction
Function
SKIN CONDITIONING
Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How CHRYSIN appears in the CosIng inventory

The CosIng inventory lists CHRYSIN 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.

CHRYSIN 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

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

CAS 480-40-0 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for CHRYSIN

This page reproduces the CosIng inventory entry for CHRYSIN 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 CHRYSIN and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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