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InventoryRef 9350008/10/2015

HYDROXYDAIDZEIN

4H-1-Benzopyran-4-one, 3-(3,4-dihydroxyphenyl)-7-hydroxy-,3'-Hydroxydaidzein,7,3',4'-Trihydroxyisoflavone

HYDROXYDAIDZEIN 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 485-63-2
CAS 485-63-2PubChem CID 5284648

3',4',7-Trihydroxyisoflavone

3',4',7-trihydroxyisoflavone is a 7-hydroxyisoflavone that is daidzein substituted by a hydroxy group at position 3'. It has a role as a metabolite, an antineoplastic agent and an EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor. It is functionally related to a daidzein. ChEBI

IUPAC name
3-(3,4-dihydroxyphenyl)-7-hydroxychromen-4-one
Molecular formula
C15H10O5
Molecular weight
270.24 g/mol
Exact mass
270.05282342 Da
XLogP3
2.1
Topological polar surface area
87.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

3'-Hydroxydaidzein7,3',4'-Trihydroxyisoflavone3-(3,4-dihydroxyphenyl)-7-hydroxy-4H-1-benzopyran-4-oneT08Y239E7Y4H-1-Benzopyran-4-one, 3-(3,4-dihydroxyphenyl)-7-hydroxy-J91.438JCHEBI:503993'-OH-daidzein
16 more reported names
RefChem:9104173-(3,4-Dihydroxyphenyl)-7-hydroxy-4H-chromen-4-oneOrita-133',4',7-trihydroxy isoflavoneUNII-T08Y239E7Y3'',4'',7-trihydroxyisoflavone47X3'-hydroxy daidzein3'-hydroxyl daidzein3l5r7,3,4-Trihydroxyisoflavone3-(3,4-dihydroxyphenyl)-7-hydroxy-chromen-4-one3-(3,4-DIHYDROXYPHENYL)-7-HYDROXYCHROMONEBIDD:ER0118GTPL9985HMS3741M21
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 HYDROXYDAIDZEIN

INCI name

HYDROXYDAIDZEIN

Description

4H-1-Benzopyran-4-one, 3-(3,4-dihydroxyphenyl)-7-hydroxy-,3'-Hydroxydaidzein,7,3',4'-Trihydroxyisoflavone

Record provenance

Inventory reference
93500
Imported identity
HYDROXYDAIDZEIN
Source update
08/10/2015
European Commission CosIng source notes

Key data

EC
Restriction
Function
ANTIOXIDANT
Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
SKIN CONDITIONING
Maintaining the skin in good condition.
SKIN PROTECTING
Helping to avoid harmful effects to the skin from external factors.

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 HYDROXYDAIDZEIN appears in the CosIng inventory

The CosIng inventory lists HYDROXYDAIDZEIN 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.

HYDROXYDAIDZEIN is also tagged with 3 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

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

CAS 485-63-2 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 HYDROXYDAIDZEIN

This page reproduces the CosIng inventory entry for HYDROXYDAIDZEIN 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 HYDROXYDAIDZEIN 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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