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InventoryRef 8251915/10/2010

CHLOROETHYL PCA

Proline, 5-Oxo-, 2-Chloroethyl Ester

CHLOROETHYL PCA 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 159852-64-9
CAS 159852-64-9PubChem CID 10352548

Chloroethyl PCA

IUPAC name
2-chloroethyl 5-oxopyrrolidine-2-carboxylate
Molecular formula
C7H10ClNO3
Molecular weight
191.61 g/mol
Exact mass
191.0349209 Da
XLogP3
0.2
Topological polar surface area
55.4 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Vamactive 49Proline, 5-oxo-, 2-chloroethyl esterDL-Proline, 5-oxo-, 2-chloroethyl esterUNII-B4723832042-Chloroethyl 5-hydroxy-3,4-dihydro-2H-pyrrole-2-carboxylate
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 CHLOROETHYL PCA

INCI name

CHLOROETHYL PCA

Description

Proline, 5-Oxo-, 2-Chloroethyl Ester

Record provenance

Inventory reference
82519
Imported identity
CHLOROETHYL PCA
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
Restriction
Function
HUMECTANT
Retaining and/or preserving the moisture in a product during use.

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 CHLOROETHYL PCA appears in the CosIng inventory

The CosIng inventory lists CHLOROETHYL PCA 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.

CHLOROETHYL PCA 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

CHLOROETHYL PCA 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, CHLOROETHYL PCA carries the following function designation(s):

CAS 159852-64-9 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 CHLOROETHYL PCA

This page reproduces the CosIng inventory entry for CHLOROETHYL PCA 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 CHLOROETHYL PCA 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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