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4-Maleylacetoacetic acid
Names
	Preferred IUPAC name (2Z)-4,6-Dioxooct-2-enedioic acid
	Other names 4-Maleylacetoacetate
Identifiers
CAS Number	5698-52-2 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:47904 ;
ChEMBL	ChEMBL1743220 ;
ChemSpider	4444078 ;
KEGG	C01036 ;
PubChem CID	5280393;
UNII	5ET93TW8TE ;
CompTox Dashboard (EPA)	DTXSID201299688 ;
	InChI InChI=1S/C8H8O6/c9-5(1-2-7(11)12)3-6(10)4-8(13)14/h1-2H,3-4H2,(H,11,12)(H,13,14)/b2-1- Key: GACSIVHAIFQKTC-UPHRSURJSA-N ; InChI=1/C8H8O6/c9-5(1-2-7(11)12)3-6(10)4-8(13)14/h1-2H,3-4H2,(H,11,12)(H,13,14)/b2-1- Key: GACSIVHAIFQKTC-UPHRSURJBV;
	SMILES O=C(/C=C\C(=O)O)CC(=O)CC(=O)O;
Properties
Chemical formula	C8H8O6
Molar mass	200.146 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

4-Maleylacetoacetate (4-maleylacetoacetatic acid) is an intermediate in the metabolism of tyrosine. It is converted to fumarylacetoacetate by the enzyme 4-maleylacetoacetate cis-trans-isomerase. Gluthathione coenzymatically helps in conversion to fumarylacetoacetic acid.

See also