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CAS 17627-10-0 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 7592115/10/2010

DIPALMITOYL CYSTINE

N,N'-Dipalmitoyl-L-cystine

DIPALMITOYL CYSTINE 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 17627-10-0

CAS 17627-10-0PubChem CID 14100099

Dipalmitoyl Cystine

The panel concluded that the 115 amino acid alkyl amides listed below are safe in the present practices of use and concentration in cosmetics, when formulated to be non-irritating...Dipalmitoyl Cystine — Cosmetic Ingredient Review (CIR)

IUPAC name: (2R)-3-[[(2R)-2-carboxy-2-(hexadecanoylamino)ethyl]disulfanyl]-2-(hexadecanoylamino)propanoic acid

Molecular formula: C38H72N2O6S2
Molecular weight: 717.1 g/mol
Exact mass: 716.48318037 Da
XLogP3: 13.5
Topological polar surface area: 183.0 Å²
Hydrogen-bond donors: 4
Hydrogen-bond acceptors: 8
Covalent units: 1
Defined stereocentres: 2

Also known as

L-Cystine, N,N'-bis(1-oxohexadecyl)-N,N'-Dipalmitoyl-L-cystinePalmitoyl cystineS7NI60Y64IEINECS 241-607-2CYSTINE, N,N'-DIPALMITOYL-, L-RefChem:588777DIPALMITOYL CYSTINE [INCI]

4 more reported names

241-607-2UNII-S7NI60Y64IN,N'-Dihexadecanoyl-L-cystineJIUGOZSZLYKDDH-HEVIKAOCSA-N

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External database identifiers

EPA DTXSID:DTXSID10884979

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 DIPALMITOYL CYSTINE

INCI name

DIPALMITOYL CYSTINE

Description

N,N'-Dipalmitoyl-L-cystine

Record provenance

Inventory reference: 75921
Imported identity: DIPALMITOYL CYSTINE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIPALMITOYL CYSTINE

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Key data

CAS

17627-10-0

241-607-2

Restriction

—

Function

ANTISTATIC: Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.

Official EU ingredient-name evidence

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

#9133 · DIPALMITOYL CYSTINE

Ingredients with overlapping formulation functions

DIOLEOYLAMIDOETHYL HYDROXYETHYLMONIUM METHOSULFATEANTISTATIC, CLEANSING, SURFACTANT - CLEANSING

DIOLEOYLETHYL HYDROXYETHYLMONIUM METHOSULFATEANTISTATIC, HAIR CONDITIONING

DIOLEOYLISOPROPYL DIMONIUM METHOSULFATEANTISTATIC, HAIR CONDITIONING

DIPALMITAMINEANTISTATIC

DIPALMITOYL HYDROXYPROLINEANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

DIPALMITOYLETHYL DIMONIUM CHLORIDEANTISTATIC, HAIR CONDITIONING

DIPALMITOYLETHYL HYDROXYETHYLMONIUM METHOSULFATEANTISTATIC, DETANGLING, HAIR CONDITIONING

DIPALMOYLETHYL HYDROXYETHYLMONIUM METHOSULFATEANTISTATIC, DETANGLING, HAIR 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 DIPALMITOYL CYSTINE appears in the CosIng inventory

The CosIng inventory lists DIPALMITOYL CYSTINE 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.

DIPALMITOYL CYSTINE is also tagged with 2 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

DIPALMITOYL CYSTINE 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, DIPALMITOYL CYSTINE carries the following function designation(s):

CAS 17627-10-0 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 DIPALMITOYL CYSTINE

This page reproduces the CosIng inventory entry for DIPALMITOYL CYSTINE 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 DIPALMITOYL CYSTINE 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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