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InventoryRef 5733915/10/2010

NEOTAME

L-Phenylalanine, N-(3,3-dimethylbutyl)-L-alpha-aspartyl-, 2-methyl ester

NEOTAME 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 165450-17-9
CAS 165450-17-9PubChem CID 9810996

Neotame

Neotame is a dipeptide composed of N-(3,3-dimethylbutyl)-L-aspartic acid and methyl L-phenylalanate units joined by a peptide linkage. It has a role as a xenobiotic, a sweetening agent and an environmental contaminant. ChEBI

IUPAC name
(3S)-3-(3,3-dimethylbutylamino)-4-[[(2S)-1-methoxy-1-oxo-3-phenylpropan-2-yl]amino]-4-oxobutanoic acid
Molecular formula
C20H30N2O5
Molecular weight
378.5 g/mol
Exact mass
378.21547206 Da
XLogP3
-0.1
Topological polar surface area
105.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
6
Covalent units
1
Defined stereocentres
2

Also known as

N-(N-(3,3-dimethylbutyl)-L-alpha-aspartyl)-L-phenylalanine 1-methyl esterVJ597D52EXINS NO.961INS-961CHEBI:83503NC-00723E 961E-961
16 more reported names
RefChem:1654093-((3,3-dimethylbutyl)amino)-3-((1-methoxy-1-oxo-3-phenylpropan-2-yl)carbamoyl)propanoic acid(S)-3-((3,3-Dimethylbutyl)amino)-4-(((S)-1-methoxy-1-oxo-3-phenylpropan-2-yl)amino)-4-oxobutanoic acidNeotame [NF]NEOTAME [FHFI]NEOTAME [USP-RS]L-Phenylalanine, N-(3,3-dimethylbutyl)-L-alpha-aspartyl-, 2-methyl esterCS-W011769(3S)-3-[(3,3-dimethylbutyl)amino]-3-{[(2S)-1-methoxy-1-oxo-3-phenylpropan-2-yl]carbamoyl}propanoic acidGS-3213methyl N-(3,3-dimethylbutyl)-L-alpha-aspartyl-L-phenylalaninateNeutame.UNII-VJ597D52EXNC 00723HSDB 7965N-boc amino alc
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 NEOTAME

INCI name

NEOTAME

Description

L-Phenylalanine, N-(3,3-dimethylbutyl)-L-alpha-aspartyl-, 2-methyl ester

Record provenance

Inventory reference
57339
Imported identity
NEOTAME
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
Restriction
Function
FRAGRANCE
Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.

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 NEOTAME appears in the CosIng inventory

The CosIng inventory lists NEOTAME 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.

NEOTAME 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

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

CAS 165450-17-9 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.

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 NEOTAME

This page reproduces the CosIng inventory entry for NEOTAME 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 NEOTAME 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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