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CAS 97-61-0 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 4083302/03/2011

METHYLVALERIC ACID

2-Methylpentanoic acid

METHYLVALERIC ACID 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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 97-61-0

CAS 97-61-0PubChem CID 7341

2-Methylvaleric acid

2-methylvaleric acid is a methyl-branched fatty acid that is pentanoic acid which carries a methyl group at position 2. It has a role as a flavouring agent, a fragrance and a plant metabolite. It is a monocarboxylic acid, a short-chain fatty acid, a branched-chain saturated fatty acid and a methyl-branched fatty acid. It is a conjugate acid of a 2-methylvalerate. — ChEBI

IUPAC name: 2-methylpentanoic acid

Molecular formula: C6H12O2
Molecular weight: 116.16 g/mol
Exact mass: 116.083729621 Da
XLogP3: 1.8
Topological polar surface area: 37.3 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Pentanoic acid, 2-methyl-2-Pentanecarboxylic acidMethylpropylacetic acidValeric acid, 2-methyl-alpha-Methylvaleric acidFEMA No. 275426A19CG6J9NSC-8406

16 more reported names

CHEBI:167644RefChem:476306202-594-9684-233-92-methyl valeric acid2-methyl-pentanoic acidKyselina 2-methylvalerova2-Methyl-n-valeric acid.alpha.-Methylvaleric acidDihydrostrawberriff acid(2RS)-2-Methylpentanoic AcidPentanoic acid, methyl-Kyselina 2-methylvalerova [Czech]NSC 8406EINECS 202-594-9(2S)-2-methylpentanoate

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:167644
ChEMBL:CHEMBL1204680
EPA DTXSID:DTXSID9021633
PubMed:22837701
PubMed:22519968
PubMed:22479594
PubMed:21612932
PubMed:21047083
PubMed:20860033
PubMed:20374864
PubMed:18260407
PubMed:17165768
PubMed:14604681
PubMed:12926941
PubMed:12814789

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 METHYLVALERIC ACID

INCI name

METHYLVALERIC ACID

Description

2-Methylpentanoic acid

Record provenance

Inventory reference: 40833
Imported identity: METHYLVALERIC ACID
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for METHYLVALERIC ACID

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Key data

CAS

97-61-0

202-594-9

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

METHYLSPIROBICYCLOHEPTANE-DIOXANEPERFUMING

METHYLTHIAZOLYL-ETHANOLPERFUMING

METHYLUNDECANALPERFUMING

METHYLUNDECANAL DIMETHYL ACETALPERFUMING

MIBKDENATURANT, PERFUMING, SOLVENT

MIMOSA PUDICA FLOWER WATERFLAVOURING, FRAGRANCE, PERFUMING, SKIN CONDITIONING

MIXED CRESOLSANTIMICROBIAL, PERFUMING

MIXED IONONESFRAGRANCE, PERFUMING

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 METHYLVALERIC ACID appears in the CosIng inventory

The CosIng inventory lists METHYLVALERIC 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.

METHYLVALERIC 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

METHYLVALERIC 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, METHYLVALERIC ACID carries the following function designation(s):

PERFUMING

CAS 97-61-0 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 METHYLVALERIC ACID

This page reproduces the CosIng inventory entry for METHYLVALERIC 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 METHYLVALERIC ACID 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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