6909. Oxalacetic Acid

Nomenclature

CAS number: 328-42-7
2-Oxobutanedioic acid; ketosuccinic acid; oxaloacetic acid; oxosuccinic acid; OAA.
C4H4O5; mol wt 132.07.
C 36.38%, H 3.05%, O 60.57%.

Description and references

Prepd by hydrolyzing sodium diethyloxalacetate with concd HCl: C. Heidelberger, R. B. Hurlbert, J. Am. Chem. Soc. 72, 4704 (1950); C. Heidelberger, Biochem. Prep. 3, 59 (1953). Structural studies of the enol form: D. H. Flint et al., J. Org. Chem. 57, 7270 (1992).

Chemical structure

Derivative

trans-(Z)-enol Form.

Nomenclature

CAS number: 1115-67-9
Hydroxyfumaric acid.

Properties

Crystals from acetone + benzene, mp 184°.

Derivative

Diethyl ester see Ethyl Oxalacetate.