Isocitric acid

Isocitric acid

Names
IUPAC name 1-Hydroxypropane-1,2,3-tricarboxylic acid
Identifiers
CAS Number	320-77-4 Y
ChEBI	CHEBI:30887 Y
ChEMBL	ChEMBL539669 Y
ChemSpider	1161 Y
DrugBank	DB01727 N°
Jmol 3D model	Interactive image
KEGG	C00311 Y
MeSH	Isocitrate
PubChem	1198
InChI InChI=1S/C6H8O7/c7-3(8)1-2(5(10)11)4(9)6(12)13/h2,4,9H,1H2,(H,7,8)(H,10,11)(H,12,13) Y Key: ODBLHEXUDAPZAU-UHFFFAOYSA-N Y InChI=1/C6H8O7/c7-3(8)1-2(5(10)11)4(9)6(12)13/h2,4,9H,1H2,(H,7,8)(H,10,11)(H,12,13) Key: ODBLHEXUDAPZAU-UHFFFAOYAX
SMILES O=C(O)C(CC(=O)O)C(O)C(=O)O
Properties
Chemical formula	C6H8O7
Molar mass	192.124
Melting point	105 °C (221 °F; 378 K)
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Isocitric acid is an organic compound closely related to citric acid. Salts and esters of isocitric acid are known as isocitrates. The isocitrate anion is a substrate of the citric acid cycle. Isocitrate is formed from citrate with the help of the enzyme aconitase, and is acted upon by isocitrate dehydrogenase.

Isocitric acid is commonly used as a marker to detect the authenticity and quality of fruit products, most often citrus juices. In authentic orange juice, for example, the ratio of citric acid to D-isocitric acid is usually less than 130. An isocitric acid value higher than this may be indicative of fruit juice adulteration.

Interactive pathway map

Click on genes, proteins and metabolites below to link to respective articles.

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|{{{bSize}}}px|alt=TCA Cycle edit]]

File:TCACycle WP78.png

TCA Cycle edit