Prephenic acid

Prephenic acid
Names
	Preferred IUPAC name (1s,4s)-1-(2-Carboxy-2-oxoethyl)-4-hydroxycyclohexa-2,5-diene-1-carboxylic acid
	Other names Prephenate; cis-1-Carboxy-4-hydroxy-α-oxo-2,5-cyclohexadiene-1-propanoic acid
Identifiers
CAS Number	126-49-8 (unspecified) ; 87664-40-2 (cis) ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:84387 ;
ChemSpider	16735981 ;
MeSH	Prephenic+acid
PubChem CID	1028 (unspecified);
UNII	Z66B98Z97I (unspecified) ;
CompTox Dashboard (EPA)	DTXSID60894109 ;
	InChI InChI=1S/C10H10O6/c11-6-1-3-10(4-2-6,9(15)16)5-7(12)8(13)14/h1-4,6,11H,5H2,(H,13,14)(H,15,16)/t6-,10+ Key: FPWMCUPFBRFMLH-XGAOUMNUSA-N ; InChI=1/C10H10O6/c11-6-1-3-10(4-2-6,9(15)16)5-7(12)8(13)14/h1-4,6,11H,5H2,(H,13,14)(H,15,16)/t6-,10+ Key: FPWMCUPFBRFMLH-XGAOUMNUBN;
	SMILES O=C(O)[C@@]/1(CC(=O)C(O)=O)\C=C/[C@@H](O)\C=C\1;
Properties
Chemical formula	C10H10O6
Molar mass	226.184 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

Prephenic acid, commonly also known by its anionic form prephenate, is an intermediate in the biosynthesis of the aromatic amino acids phenylalanine and tyrosine, as well as of a large number of secondary metabolites of the shikimate pathway.