Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
InventoryRef 3310215/10/2010

CYCLOPENTANE CARBOXYLIC ACID

Cyclopentanecarboxylic acid

CYCLOPENTANE CARBOXYLIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

INCI CheckerCompare all markets Search similar

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.

Markets and their official sourcesSearch every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 3400-45-1
CAS 3400-45-1PubChem CID 18840

Cyclopentanecarboxylic acid

Cyclopentanecarboxylic acid is a carboxylic acid. — ChEBI

IUPAC name
cyclopentanecarboxylic acid
Molecular formula
C6H10O2
Molecular weight
114.14 g/mol
Exact mass
114.068079557 Da
XLogP3
1.3
Topological polar surface area
37.3 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

CYCLOPENTANE CARBOXYLIC ACIDCyclopentylcarboxylic acidUNII-Z6691VH94AEINECS 222-269-5Z6691VH94ACYCLOPENTANE,CARBOXYLIC ACIDCyclopentylmethanoic acidNSC-59714
16 more reported names
NSC 59714RefChem:129851CYCLOPENTANE CARBOXYLIC ACID [INCI]222-269-5663-788-0InChI=1/C6H10O2/c7-6(8)5-3-1-2-4-5/h5H,1-4H2,(H,7,8JBDSSBMEKXHSJF-UHFFFAOYSA-NNLLGKNYQDQBMFW-UHFFFAOYSA-NCyclopentancarboxylic AcidCyclopentanecarboxylic acid, 99%EN300-19928Cyclopentanoic acidCyclopentancarbCyclopentanoic Acid; Cyclopentylcarboxylic Acid; NSC 59714;Cyclopentanecarboxylicacidcyclopentyl carboxylic acid
Open full PubChem recordPubChem annotations3D structure image
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 CYCLOPENTANE CARBOXYLIC ACID

INCI name

CYCLOPENTANE CARBOXYLIC ACID

Description

Cyclopentanecarboxylic acid

Record provenance

Inventory reference
33102
Imported identity
CYCLOPENTANE CARBOXYLIC ACID
Source update
15/10/2010
European Commission CosIng source notes
Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search

Search annex entries

Search the annex database for entries matching CYCLOPENTANE CARBOXYLIC ACID or related substances.

Key data

CAS
3400-45-1
EC
222-269-5
Restriction
—
Function
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).

Official EU ingredient-name evidence

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

#7870 · CYCLOPENTANE CARBOXYLIC ACID

Ingredients with overlapping formulation functions

COTTONSEED GLYCERIDESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
COTTONSEED OIL GLYCERETH-8 ESTERSCLEANSING, SURFACTANT - CLEANSING
CUPUASSUAMIDOPROPYL BETAINECLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING…
CYCLOHEXYL TOLUATESOLVENT, SURFACTANT - CLEANSING
DATEMHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFAC…
DEA PG-OLEATECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
DEA-C12-13 ALKETH-3 SULFATESURFACTANT - CLEANSING
DEA-C12-13 ALKETH-3 SULFATE (FORMERLY DEA-C12-13 PARETH-3 SULFATE)SURFACTANT - CLEANSING

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How CYCLOPENTANE CARBOXYLIC ACID appears in the CosIng inventory

The CosIng inventory lists CYCLOPENTANE CARBOXYLIC ACID 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.

CYCLOPENTANE CARBOXYLIC ACID 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

CYCLOPENTANE CARBOXYLIC ACID 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, CYCLOPENTANE CARBOXYLIC ACID carries the following function designation(s):

CAS 3400-45-1 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.
View CAS records

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.
Open INCI Checker

Source note for CYCLOPENTANE CARBOXYLIC ACID

This page reproduces the CosIng inventory entry for CYCLOPENTANE CARBOXYLIC ACID 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 CYCLOPENTANE CARBOXYLIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sourcesView updates

Tools & next steps

Check your formula

Scan a full INCI list to detect CYCLOPENTANE CARBOXYLIC ACID and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to CYCLOPENTANE CARBOXYLIC ACID, its identifiers or nearby name variants.

Search