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CAS 21539-71-9 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.

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InventoryRef 8465715/10/2010

MYRISTOYL METHYL BETA-ALANINE

MYRISTOYL METHYL BETA-ALANINE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 21539-71-9

CAS 21539-71-9PubChem CID 18427123

Myristoyl methyl beta-alanine

IUPAC name: 3-[methyl(tetradecanoyl)amino]propanoic acid

Molecular formula: C18H35NO3
Molecular weight: 313.5 g/mol
Exact mass: 313.26169398 Da
XLogP3: 5.5
Topological polar surface area: 57.6 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Alanon AMAUNII-28I1G7X36M28I1G7X36MMyristoyl methylbetaalaninebeta-Alanine, N-methyl-N-myristoyl-MYRISTOYL METHYL .BETA.-ALANINEbeta-Alanine, N-methyl-N-(1-oxotetradecyl)-.BETA.-ALANINE, N-METHYL-N-MYRISTOYL-

7 more reported names

.BETA.-ALANINE, N-METHYL-N-(1-OXOTETRADECYL)-RefChem:160424MYRISTOYL METHYL BETA-ALANINE [INCI]3-(N-METHYLTETRADECANAMIDO)PROPANOIC ACIDb-Alanine,N-methyl-N-(1-oxotetradecyl)-N-myristoyl-N-methyl-beta-alanineN-Methyl-N-tetradecanoyl-beta-alanine

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID70175875

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 MYRISTOYL METHYL BETA-ALANINE

INCI name

MYRISTOYL METHYL BETA-ALANINE

Record provenance

Inventory reference: 84657
Imported identity: MYRISTOYL METHYL BETA-ALANINE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for MYRISTOYL METHYL BETA-ALANINE

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Key data

CAS

21539-71-9

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Restriction

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Function

SKIN CONDITIONING: Maintaining the skin in good condition.
SURFACTANT - CLEANSING: Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
SURFACTANT - EMULSIFYING: Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.

Official EU ingredient-name evidence

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

#17102 · MYRISTOYL METHYL BETA-ALANINE

Ingredients with overlapping formulation functions

MYRISTAMINE OXIDEANTISTATIC, CLEANSING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, SURFACT…

MYRISTIC ACIDCLEANSING, PERFUMING, SURFACTANT - EMULSIFYING

MYRISTOYL ETHYL GLUCOSIDESURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

MYRISTOYL LACTYLIC ACIDSURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

MYRISTOYL TETRAPEPTIDE-13 D-LYSINE AMIDEANTIMICROBIAL; ANTI-SEBUM; SURFACTANT - EMULSIFYING; EYELASH CONDITIONING; SKIN CONDITIONING - MISC…

MYRISTYL SULTAINECLEANSING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

MYRISTYLDIMONIUMHYDROXYPROPYL COCOGLUCOSIDES CHLORIDECLEANSING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

N-OLEYL HYDROXYHEXANAMIDEEMULSION STABILISING, HAIR CONDITIONING, PRESERVATIVE, SKIN CONDITIONING, SURFACTANT - CLEANSING, S…

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 MYRISTOYL METHYL BETA-ALANINE appears in the CosIng inventory

The CosIng inventory lists MYRISTOYL METHYL BETA-ALANINE 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.

MYRISTOYL METHYL BETA-ALANINE 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

MYRISTOYL METHYL BETA-ALANINE 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, MYRISTOYL METHYL BETA-ALANINE carries the following function designation(s):

CAS 21539-71-9 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.

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Source note for MYRISTOYL METHYL BETA-ALANINE

This page reproduces the CosIng inventory entry for MYRISTOYL METHYL BETA-ALANINE 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 MYRISTOYL METHYL BETA-ALANINE 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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