citric acid

[(Science: biochemistry) An important intermediate in the citric Acid Cycle which breaks down glucose into water and carbon dioxide when oxygen is present. The acid contains three carboxyl groups, has the chemical formula of C6H8O7, and is found in citrus fruits (oranges, grapefruit, lemons, etc.). It is used as an antioxidant and as artificial flavouring in commercially-processed foods.

[1. The acid of citrus fruits, widely distributed in nature and a key intermediate in intermediary metabolism.

Molecular Formula: C₆H₈O₇

InChI: InChI=1/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)/f/h7,9,11H

InChIKey: InChIKey=KRKNYBCHXYNGOX-CUNNJMNPCP
SMILES: OC(=O)CC(O)(CC(O)=O)C(O)=O

CAS number 77-92-9

Names:
    cit
    Citrate
    Citric acid
    CITRIC ACID
    citric acid
    H3cit
    2-hydroxypropane-1,2,3-tricarboxylic acid
    2-Hydroxytricarballylic acid
    2-Hydroxy-1,2,3-propanetricarboxylic acid

Registries:
    PubChem CID 311
    Beilstein =782061
    CAS 77-92-9 (from NIST)
    ChEBI 30769
    chemPDB CIT
    Gmelin 4240
    Kegg C00158
    PubChem ID 11532236
    PubChem ID 3458