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CAS 328-50-7 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 3479815/10/2010

KETOGLUTARIC ACID

2-Oxoglutaric acid

KETOGLUTARIC 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.

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 328-50-7

CAS 328-50-7PubChem CID 51

2-Oxoglutaric Acid

2-oxoglutaric acid is an oxo dicarboxylic acid that consists of glutaric acid bearing an oxo substituent at position 2. It is an intermediate metabolite in Krebs cycle. It has a role as a fundamental metabolite. It is functionally related to a glutaric acid. It is a conjugate acid of a 2-oxoglutarate(1-). — ChEBI

IUPAC name: 2-oxopentanedioic acid

Molecular formula: C5H6O5
Molecular weight: 146.10 g/mol
Exact mass: 146.02152329 Da
XLogP3: -0.9
Topological polar surface area: 91.7 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 5
Covalent units: 1
Defined stereocentres: 0

Also known as

alpha-ketoglutaric acid2-oxoglutarateOxoglutaric acida-ketoglutaric acid2-Oxo-1,5-pentanedioic acidPentanedioic acid, 2-oxo-Alphaketoglutaric acidoxogluric acid

16 more reported names

Glutaric acid, 2-oxo-Glutaric acid, alpha ketoketoglutaric acidalpha ketoglutaric acidNSC-173918ID597Z82XA-KETOGLUTARICUM ACIDUMCHEBI:309152 Oxoglutaric Acid2 Ketoglutaric Acidhydron;2-oxopentanedioateRefChem:555767206-330-32-ketoglutaric acidOxoglutaratealpha-Oxoglutaric acid

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:30915
ChEMBL:CHEMBL1686
EPA DTXSID:DTXSID5033179
PubMed:29968805
PubMed:23396314
PubMed:23105378
PubMed:23080261
PubMed:23077570
PubMed:23075793
PubMed:23071358
PubMed:23062201
PubMed:23045983
PubMed:23034232
PubMed:23000002
PubMed:22999741

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 KETOGLUTARIC ACID

INCI name

KETOGLUTARIC ACID

Description

2-Oxoglutaric acid

Record provenance

Inventory reference: 34798
Imported identity: KETOGLUTARIC ACID
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for KETOGLUTARIC ACID

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Key data

CAS

328-50-7

206-330-3

Restriction

—

Function

DEODORANT: Reducing and/or eliminating unpleasant odour. Contributing against the formation of malodour on body surfaces.

Official EU ingredient-name evidence

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

#14154 · KETOGLUTARIC ACID

Ingredients with overlapping formulation functions

HYDROLYZED CELLULOSEDEODORANT, HAIR CONDITIONING, HAIR WAVING OR STRAIGHTENING

HYDROLYZED SASA VEITCHII EXTRACTANTIMICROBIAL, DEODORANT

HYDROXYCITRYL PALMITATEANTI-SEBORRHEIC, ASTRINGENT, DEODORANT, SKIN CONDITIONING

HYPOCHLOROUS ACIDANTI-SEBUM, ANTIMICROBIAL, DEODORANT, OXIDISING

LAURYL ISOQUINOLINIUM BROMIDEANTIMICROBIAL, ANTISTATIC, DEODORANT, SURFACTANT - CLEANSING

LAURYLPYRIDINIUM CHLORIDEANTIMICROBIAL, ANTISTATIC, DEODORANT, SURFACTANT - CLEANSING

LAVANDULA ANGUSTIFOLIA FLOWER EXTRACTCLEANSING, DEODORANT, FRAGRANCE, REFRESHING, TONIC

LIMONENEDEODORANT, PERFUMING, SOLVENT

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 KETOGLUTARIC ACID appears in the CosIng inventory

The CosIng inventory lists KETOGLUTARIC 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.

KETOGLUTARIC 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

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

DEODORANT

CAS 328-50-7 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 KETOGLUTARIC ACID

This page reproduces the CosIng inventory entry for KETOGLUTARIC 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 KETOGLUTARIC 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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