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oxaloacetic acid

chemical compound
Class type of: fatty acid, biogenic acyclic ketone, dicarboxylic acid Q408658

Facts

12 properties
Instance of
type of chemical entity
Subclass of
fatty acid, biogenic acyclic ketone, dicarboxylic acid
Canonical SMILES
C(C(=O)C(=O)O)C(=O)O[5]
Chemical formula
C₄H₄O₅[6]
Combustion enthalpy
-1205.58[17]
Described by source
Brockhaus and Efron Encyclopedic Dictionary[15]
Found in taxon
Phycomyces blakesleeanus, Homo sapiens, Escherichia coli, Caenorhabditis elegans, Apium graveolens, Arabidopsis thaliana[9][10][11][12][13][14]
Has part(s)
oxygen, carbon[7][8]
Mass
+132.005873[16]
Safety classification and labelling
Regulation (EC) No. 1272/2008[20]
Standard enthalpy of formation
-943.21[19]
Subject has role
primary metabolite[18]
🏷️ Also known as
en a-Ketosuccinic acid en oxaloacetic acid en 2-Ketosuccinic acid en 3-carboxy-3-oxopropanoic acid en 2-oxosuccinic acid en OAA en ketosuccinic acid en Oxaloethanoic acid en alpha-Ketosuccinic acid ar حمض أكسالوأسيتيك cs Kyselina oxalethanová cs Oxalethanoát cs Oxaletanoát cs Kyselina oxaletanová cs Oxalacetát cs kyselina oxaloctová cs Oxosukcinát cs Oxaloacetát de Oxobutandisäure de Oxalessigsäure
🔖 Identifiers · 38
CAS Registry Number
328-42-7
Cannabis Database ID
004824
ChEBI ID
30744
ChEMBL ID
CHEMBL1794791
ChemSpider ID
945
CosIng number
88810
DSSTOX compound identifier
DTXCID901646
DSSTox substance ID
DTXSID8021646
DrugBank ID
DB16921
EC number
206-329-8
ECHA Substance Infocard ID
100.005.755
Freebase ID
/m/046x7t
Show all 38 identifiers +26
Gmelin number
1042886
Great Russian Encyclopedia Online ID (2017)
4914697
Great Russian Encyclopedia portal ID
shchavelevouksusnaia-kislota-aac13b
Guide to Pharmacology Ligand ID
5236
Human Metabolome Database ID
HMDB0000223
InChI
InChI=1S/C4H4O5/c5-2(4(8)9)1-3(6)7/h1H2,(H,6,7)(H,8,9)
InChIKey
KHPXUQMNIQBQEV-UHFFFAOYSA-N
Interlingual Index ID
i115812
KEGG ID
C00036
KNApSAcK ID
C00001197
LIPID MAPS ID
LMFA01170120
MassBank accession ID
MSBNK-RIKEN_ReSpect-PS048801, MSBNK-RIKEN_ReSpect-PS048802
MeSH descriptor ID
D062907
MeSH tree code
D02.241.081.337.593.812.750, D02.241.755.648.750
Microsoft Academic ID (discontinued)
2780279306
NE.se ID
oxalättiksyra
NSC number
77688
Probes And Drugs ID
PD048333
PubChem CID
970
Reaxys registry number
1705475
RxNorm CUI
1661330
SPLASH
splash10-0006-9000000000-0e0db364d1a8ca3acddc, splash10-00di-9000000000-edbeab5a34c2f60aefc5, splash10-0002-4930000000-7e995327b0b9c1af0914, splash10-000i-9000000000-0be675f3aa3e973393b7, splash10-001a-8940000000-40b790e06141d7180938, splash10-0006-9000000000-f371299a07d43c23ff1d, splash10-007a-9210000000-020f60717e2ea79d1ccd, splash10-0006-9000000000-9b1f4171aee6283a3cbd, splash10-000f-9000000000-4fba97fcd7b0f2215f75, splash10-000b-9540000000-a53f674cc98960834f88
SureChEMBL ID
8464
UM-BBD compound ID
c1475
UNII
2F399MM81J
UniChem compound ID
1067527

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Found in taxon 6
Escherichia coli, Apium graveolens, Homo sapiens, Arabidopsis thaliana, Caenorhabditis elegans, Phycomyces blakesleeanus
Has part(s) 2
oxygen, carbon
Subclass of 2
fatty acid, dicarboxylic acid
Described by source 1
Brockhaus and Efron Encyclopedic Dictionary
Safety classification and labelling 1
Regulation (EC) No. 1272/2008
Subject has role 1
primary metabolite
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Summary

oxaloacetic acid is a type of chemical entity[1]. It is a type of fatty acid[2], biogenic acyclic ketone[3], and dicarboxylic acid[4].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] ↑ . PubChem. Retrieved . wikidata.org.
  2. [6] ↑ . PubChem. Retrieved . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [4] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Acidic metabolites from Phycomyces blakesleeanus. wikidata.org.
  9. [10] ↑ . Recon 2.2: from reconstruction to model of human metabolism. wikidata.org.
  10. [11] ↑ . Isolation of the structural gene encoding a mutant form of Escherichia coli phosphoenolpyruvate carboxylase deficient in regulation by fructose 1,6-bisphosphate. Identification of an amino acid substitution in the mutant.. wikidata.org.
  11. [12] ↑ . Modeling Meets Metabolomics-The WormJam Consensus Model as Basis for Metabolic Studies in the Model Organism. wikidata.org.
  12. [13] ↑ . Phytochemical and biological characterization of Italian "sedano bianco di Sperlonga" Protected Geographical Indication celery ecotype: A multimethodological approach. wikidata.org.
  13. [14] ↑ . Malate-Regulated Channels Permeable to Anions in Vacuoles of Arabidopsis thaliana. wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . PubChem. Retrieved . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . Reactome. plantreactome.gramene.org. Provenance: wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . sigmaaldrich.com. Retrieved . sigmaaldrich.com. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). oxaloacetic acid. Retrieved November 6, 2026, from https://4ort.xyz/entity/oxaloacetic-acid
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BibTeX @misc{4ortxyz_oxaloacetic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{oxaloacetic acid}}, year = {2026}, url = {https://4ort.xyz/entity/oxaloacetic-acid}, note = {Accessed: 2026-11-06}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 20w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Has parts → —
    Instance of → type of chemical entity
    Safety classification and labelling → Regulation (EC) No. 1272/2008
    Subclass of → —
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
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