Oxaloacetic acid



Oxaloacetic acid
IUPAC name Oxobutanedioic acid
Other names Oxaloacetic acid
Oxalacetic acid
Oxosuccinic acid
Identifiers
CAS number 328-42-7
EINECS number 206-329-8
SMILES OC(C(CC(O)=O)=O)=O
Properties
Molecular formula C4H4O5
Molar mass 132.07 g/mol
Density  ? g/cm3
Melting point

161 °C

Thermochemistry
Std enthalpy of
formation ΔfHo298 		-943.21 kJ/mol
Std enthalpy of
combustion ΔcHo298 		-1205.58 kJ/mol
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Oxaloacetic acid is an anaplerotic reaction.

The enzyme fumarase A from E. coli catalyses the conversion between the keto and enol forms.

Oxaloacetate is unstable in solution, decomposing to pyruvate by decarboxylation over a period of hours (room temperature) or days (0 °C). Refrigerated storage of the solid is therefore recommended.

 


References


    v • d • e
    Metabolic Pathway
    Oxaloacetate Malate Fumarate Succinate Succinyl-CoA
    Acetyl-CoA NADH + H+ NAD+ H2O FADH2 FAD CoA + ATP(GTP) Pi + ADP(GDP)
    + H2O NADH + H+ + CO2
    CoA NAD+
    H2O H2O NAD(P)+ NAD(P)H + H+ CO2
    Citrate cis-Aconitate Isocitrate Oxalosuccinate α-Ketoglutarate
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    This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Oxaloacetic_acid". A list of authors is available in Wikipedia.