Formiminoglutamic acid

Formiminoglutamic acid
Names
	IUPAC name N-(aminomethylidene)-L-glutamic acid
	Other names FIGLU
Identifiers
CAS Number	816-90-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	388370 ;
ECHA InfoCard	100.011.308
MeSH	Formiminoglutamic+acid
PubChem CID	909;
UNII	YV703N7VOG ;
	InChI InChI=1S/C6H10N2O4/c7-3-8-4(6(11)12)1-2-5(9)10/h3-4H,1-2H2,(H2,7,8)(H,9,10)(H,11,12) Key: NRXIKWMTVXPVEF-UHFFFAOYSA-N;
	SMILES C(CC(=O)O)C(C(=O)O)N=CN;
Properties
Chemical formula	C6H10N2O4
Molar mass	174.156 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

Formiminoglutamic acid (FIGLU; conjugate base, formiminoglutamate) is an intermediate in the catabolism of L-histidine to L-glutamic acid. It thus is also a biomarker for intracellular levels of folate. The FIGLU test is used to identify vitamin B₁₂ deficiency, folate deficiency, and liver failure or liver disease.^[1]^[2] It is elevated with folate trapping, where it is accompanied by decreased methylmalonic acid, increased folate and a decrease in homocysteine.^[3]

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