What other records share CAS 959-23-9?

CAS 959-23-9 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.

How do I check if my formula contains 4'-METHOXYCHALCONE?

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

InventoryRef 9215116/09/2014

4'-METHOXYCHALCONE

Benzylidene(4-methoxyacetophenone),1-(4-Methoxyphenyl)-3-phenylprop-2-en-1-one

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

INCI Checker Compare all markets Search similar

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.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 959-23-9

CAS 959-23-9PubChem CID 641818

4'-Methoxychalcone

4'-Methoxychalcone is a member of chalcones. — ChEBI

IUPAC name: (E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-one

Molecular formula: C16H14O2
Molecular weight: 238.28 g/mol
Exact mass: 238.099379685 Da
XLogP3: 3.1
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

2-Propen-1-one, 1-(4-methoxyphenyl)-3-phenyl-NSC-37157BM45N45FIZalpha-Styryl p-anisyl ketoneRefChem:506180213-495-51-(4-methoxyphenyl)-3-phenylprop-2-en-1-one1-(4-methoxyphenyl)-3-phenyl-2-propen-1-one

16 more reported names

(2E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-one(2E)-1-(4-Methoxyphenyl)-3-phenyl-2-propen-1-one4-Methoxyphenyl styryl ketone(E)-1-(4-Methoxy-phenyl)-3-phenyl-propenoneHY-128400NSC 371571-(4-Methoxy-phenyl)-3-phenyl-propenone2-propen-1-one, 1-(4-methoxyphenyl)-3-phenyl-, (2E)-Styryl p-anisyl ketoneSpectrum5_000236BSPBio_002861MEGxp0_001883CHALCONE, 4'-METHOXY-ACon1_000177CHEBI:174232METHOXYCHALCONE, TRANS-4'-

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:174232
ChEMBL:CHEMBL34398
EPA DTXSID:DTXSID001238595
PubMed:28528971

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 4'-METHOXYCHALCONE

INCI name

4'-METHOXYCHALCONE

Description

Benzylidene(4-methoxyacetophenone),1-(4-Methoxyphenyl)-3-phenylprop-2-en-1-one

Record provenance

Inventory reference: 92151
Imported identity: 4'-METHOXYCHALCONE
Source update: 16/09/2014

European Commission CosIng source notes

Annex records for 4'-METHOXYCHALCONE

Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search annex entries

Search the annex database for entries matching 4'-METHOXYCHALCONE or related substances.

Key data

CAS

959-23-9

213-495-5

Restriction

—

Function

ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
BLEACHING: Bleaching or lightening the shade of hair and/or skin.
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.

#335 · 4'-METHOXYCHALCONE

Ingredients with overlapping formulation functions

1,4-BUTANEDIOL BISDECANOATEBLEACHING

1,4-CYCLOHEXANEDIOL BIS-ETHYLHEXANOATEBLEACHING

2-ACETYLHYDROQUINONEANTIOXIDANT, BLEACHING, SKIN CONDITIONING

3,4-METHYLENEDIOXYBENZYL METHYLSULFONEANTIOXIDANT, BLEACHING, SKIN CONDITIONING

8-HYDROXYDAIDZEINANTIOXIDANT, BLEACHING, SKIN CONDITIONING

ABIES ALBA SEED EXTRACTANTIMICROBIAL, ANTIOXIDANT, BLEACHING, SKIN CONDITIONING, SKIN PROTECTING

ACETYL ARCTIGENINBLEACHING

ACETYL LACTOSAMINEANTIMICROBIAL, BLEACHING, SKIN CONDITIONING

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 4'-METHOXYCHALCONE appears in the CosIng inventory

The CosIng inventory lists 4'-METHOXYCHALCONE 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.

4'-METHOXYCHALCONE 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

4'-METHOXYCHALCONE 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, 4'-METHOXYCHALCONE carries the following function designation(s):

CAS 959-23-9 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.

View CAS records

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

Open INCI Checker

Source note for 4'-METHOXYCHALCONE

This page reproduces the CosIng inventory entry for 4'-METHOXYCHALCONE 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 4'-METHOXYCHALCONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect 4'-METHOXYCHALCONE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to 4'-METHOXYCHALCONE, its identifiers or nearby name variants.