What does the restriction note for GOLD ACETYLMETHIONATE mean?

The restriction field for GOLD ACETYLMETHIONATE reads: II/296. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 105883-47-4?

CAS 105883-47-4 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 GOLD ACETYLMETHIONATE?

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 8463715/10/2010

GOLD ACETYLMETHIONATE

Gold Acetylmethionate is the gold salt of N-acetylmethionine

GOLD ACETYLMETHIONATE is linked to 1 EU annex record on this page. Inventory note: II/296.

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Regulatory evidence by market

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Market	Evidence status	Records	Source language
European Union	Evidence linked Prohibited entry found Open this evidence	1	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Source mapped Official source mapped; ingredient rule not imported	0	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 105883-47-4

CAS 105883-47-4PubChem CID 71587403

Gold acetylmethionate

IUPAC name: bis((2S)-2-acetamido-4-methylsulfanylbutanoate);gold

Molecular formula: C14H24AuN2O6S2-2
Molecular weight: 577.5 g/mol
Exact mass: 577.074149 Da
Topological polar surface area: 189.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 8
Covalent units: 3
Defined stereocentres: 2

Also known as

RDA9X022THUNII-RDA9X022THGold, bis(N-acetyl-L-methioninato-o,on)-Gold, bis(N-(acetyl-kappaO)-L-methioninato-kappaO)-GOLD, BIS(N-(ACETYL-.KAPPA.O)-L-METHIONINATO-.KAPPA.O)-

Open full PubChem record PubChem annotations 3D structure image

Evidence from additional scientific databases

NIH PubChem PUG-View

Exact identifier match71587403

Attributed physical-property, hazard, environmental and use annotations.

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status

Source	Result	Checked
EMBL-EBI ChEBI	No exact record	2026-08-31
NIH PubChem PUG-View	Exact match	2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for GOLD ACETYLMETHIONATE

INCI name

GOLD ACETYLMETHIONATE

Description

Gold Acetylmethionate is the gold salt of N-acetylmethionine

Record provenance

Inventory reference: 84637
Imported identity: GOLD ACETYLMETHIONATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for GOLD ACETYLMETHIONATE

Annex II Restriction reference

Entry 296

Gold salts

Key data

CAS

105883-47-4

—

Restriction

II/296

Function

NOT REPORTED: No function currently reported.

Official EU ingredient-name evidence

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

#11400 · GOLD ACETYLMETHIONATE

Ingredients with overlapping formulation functions

GEMFIBROZILNOT REPORTED

GLYCERYL LACTATENOT REPORTED

GLYCERYL LAURATE DIACETATENOT REPORTED, SKIN CONDITIONING

GOAT MILK EXTRACTNOT REPORTED

GOSSYPIUM HERBACEUM LEAF EXTRACTNOT REPORTED

GUANAZOLENOT REPORTED

HAEMATOXYLUM CAMPECHIANUM POWDERNOT REPORTED

HAIR EXTRACTNOT REPORTED

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 GOLD ACETYLMETHIONATE appears in the CosIng inventory

The CosIng inventory lists GOLD ACETYLMETHIONATE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

GOLD ACETYLMETHIONATE 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

GOLD ACETYLMETHIONATE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for GOLD ACETYLMETHIONATE reads: "II/296". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, GOLD ACETYLMETHIONATE carries the following function designation(s):

NOT REPORTED

CAS 105883-47-4 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 GOLD ACETYLMETHIONATE

This page combines the CosIng inventory entry for GOLD ACETYLMETHIONATE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research GOLD ACETYLMETHIONATE 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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Tools & next steps

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