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InventoryRef 7418315/10/2010

ALLANTOIN ACETYL METHIONINE

N-acetyl-DL-methionine, compound with (2,5-dioxo-4-imidazolidine)urea (1:1)

ALLANTOIN ACETYL METHIONINE 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 4207-40-3
CAS 4207-40-3PubChem CID 18629419

Allantoin Acetyl Methionine

IUPAC name
2-acetamido-4-methylsulfanylbutanoic acid;(2,5-dioxoimidazolidin-4-yl)urea
Molecular formula
C11H19N5O6S
Molecular weight
349.37 g/mol
Exact mass
349.10560452 Da
Topological polar surface area
205.0 Ų
Hydrogen-bond donors
6
Hydrogen-bond acceptors
7
Covalent units
2
Defined stereocentres
0

Also known as

ALMETHAllantoin N-acetyl-DL-methionineEINECS 224-126-2UNII-C554034748RefChem:110740ALLANTOIN ACETYL METHIONINE [INCI]224-126-21-(2,5-Dioxoimidazolidin-4-yl)urea 2-acetamido-4-(methylthio)butanoate
3 more reported names
N-Acetyl-DL-methionine, compound with (2,5-dioxo-4-imidazolidine)urea (1:1)Allantoin acetyl methionine, Allantoin N-acetyl-DL-methionineN-Acetylmethionine--N-(2,5-dioxoimidazolidin-4-yl)urea (1/1)
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 ALLANTOIN ACETYL METHIONINE

INCI name

ALLANTOIN ACETYL METHIONINE

Description

N-acetyl-DL-methionine, compound with (2,5-dioxo-4-imidazolidine)urea (1:1)

Record provenance

Inventory reference
74183
Imported identity
ALLANTOIN ACETYL METHIONINE
Source update
15/10/2010
European Commission CosIng source notes

Key data

Restriction
Function
ANTISTATIC
Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
SKIN CONDITIONING
Maintaining the skin in good condition.
SKIN PROTECTING
Helping to avoid harmful effects to the skin from external factors.
SOOTHING
Lightening discomfort of the skin or of the scalp.

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 ALLANTOIN ACETYL METHIONINE appears in the CosIng inventory

The CosIng inventory lists ALLANTOIN ACETYL METHIONINE 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.

ALLANTOIN ACETYL METHIONINE is also tagged with 4 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

ALLANTOIN ACETYL METHIONINE 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, ALLANTOIN ACETYL METHIONINE carries the following function designation(s):

CAS 4207-40-3 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.

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 ALLANTOIN ACETYL METHIONINE

This page reproduces the CosIng inventory entry for ALLANTOIN ACETYL METHIONINE 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 ALLANTOIN ACETYL METHIONINE 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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