C5H6O5
146.1 g/mol
Food AdditiveDanger
2-Oxopentanedioic acid
CAS328-50-7EC206-330-3
Category
Food Additive
Compound Class
Organic Acid
Primary Use
Metabolic intermediate and nutritional supplement
2-Oxopentanedioic acid, also known as 2-oxoglutaric acid, is an oxo dicarboxylic acid that functions as a key intermediate metabolite in the Krebs cycle. It plays a fundamental role in amino acid metabolism and energy production.
Nutritional supplementFlavoring agent or adjuvant
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Capric acid
CAS334-48-5
Food flavoring and additive ingredient
ReferenceSame Category
Fucoxanthin
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natural pigment for food coloring
ReferenceSame Category
Acesulfame
CAS33665-90-6
Non-nutritive artificial sweetener
ReferenceSame Category
Uridine monophosphate disodium
CAS3387-36-8
flavor enhancer
Referencestereoisomer of
Calcium 2-oxopentanedioate xhydrate
CAS402726-78-7
Laboratory reagent
Referencestereoisomer of
Calcium alpha-ketoglutarate
CAS71686-01-6
research reagent
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Oxopentanedioic acid (CAS 328-50-7) is 2918.30.
HS code (international, 6-digit)
2918.30
EU CN code (8-digit)
2918 30 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-oxopentanedioic acid
InChIKey
KPGXRSRHYNQIFN-UHFFFAOYSA-N
SMILES
C(CC(=O)O)C(=O)C(=O)O
Synonyms (44)
- AKG
- 2 Ketoglutaric Acid
- 2-Oxo-1,5-pentanedioate
- 2-Oxo-1,5-pentanedioic acid
- 2-Oxopentanedioic acid
- 2-Oxpentanedioicacid
- 2-ketoglutarate
- 2-oxo-pentanedioicaci
- 2-oxoglutarate
- 2-oxoglutaric acid
- 2-oxopentanedionate
- 3ouj
- 4nro
- 4oct
- 4qkd
- 4usi
- A-KETOGLUTARICUM ACIDUM
- ALFA-KETOGLUTARIC ACID
- Bis(L-arginin)-2-oxoglutarat
- Glutaric acid, 2-oxo-
- Glutaric acid, 2-oxo- (8CI)
- Glutaric acid, alpha keto
- OXOGLURIC ACID [MART.]
- Oxoglurate
- Oxoglutarate
- Oxoglutaric acid
- Pentanedioic acid, 2-oxo-
- Pentanedioic acid, oxo-
- a-ketoglutaric acid
- alpha Ketoglutarate
- alpha-Ketoglutaric acid alpha
- alpha-Ketoglutaricum acidum
- alpha-Oxoglutaric acid
- alpha-Oxopentanedioic acid
- alpha-ketoglutaric acid
- hydron;2-oxopentanedioate
- ketoglutaric acid
- oxogluric acid
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