CHEBI:81394 - indole-5,6-quinone-2-carboxylic acid

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ChEBI Name indole-5,6-quinone-2-carboxylic acid
ChEBI ID CHEBI:81394
Definition An indoledione that is 1H-indole-5,6-dione substituted by a carboxy group at position 2.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C9H5NO4
Net Charge 0
Average Mass 191.142
Monoisotopic Mass 191.02186
InChI InChI=1S/C9H5NO4/c11-7-2-4-1-6(9(13)14)10-5(4)3-8(7)12/h1-3,10H,(H,13,14)
InChIKey FXURFKFOPCZEKG-UHFFFAOYSA-N
SMILES OC(=O)C1=CC2=CC(=O)C(=O)C=C2N1
Metabolite of Species Details
Homo sapiens (NCBI:txid9606) See: PubMed
Roles Classification
Chemical Role(s): Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Biological Role(s): human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
View more via ChEBI Ontology
ChEBI Ontology
Outgoing indole-5,6-quinone-2-carboxylic acid (CHEBI:81394) has functional parent 5,6-dihydroxyindole-2-carboxylic acid (CHEBI:2003)
indole-5,6-quinone-2-carboxylic acid (CHEBI:81394) has role human metabolite (CHEBI:77746)
indole-5,6-quinone-2-carboxylic acid (CHEBI:81394) is a dioxo monocarboxylic acid (CHEBI:35951)
indole-5,6-quinone-2-carboxylic acid (CHEBI:81394) is a indolecarboxylic acid (CHEBI:38610)
indole-5,6-quinone-2-carboxylic acid (CHEBI:81394) is a indoledione (CHEBI:24793)
indole-5,6-quinone-2-carboxylic acid (CHEBI:81394) is a orthoquinones (CHEBI:25622)
indole-5,6-quinone-2-carboxylic acid (CHEBI:81394) is conjugate acid of indole-5,6-quinone-2-carboxylate (CHEBI:177869)
Incoming indole-5,6-quinone-2-carboxylate (CHEBI:177869) is conjugate base of indole-5,6-quinone-2-carboxylic acid (CHEBI:81394)
IUPAC Name
5,6-dioxo-5,6-dihydro-1H-indole-2-carboxylic acid
Synonyms Sources
5,6-bis(oxidanylidene)-1H-indole-2-carboxylic acid ChEBI
5,6-diketo-1H-indole-2-carboxylic acid ChEBI
5,6-dioxo-1H-indole-2-carboxylic acid ChEBI
5,6-indolequinone-2-carboxylic acid ChEBI
Manual Xrefs Databases
15936987 ChemSpider
C17938 KEGG COMPOUND
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Registry Number Type Source
161940-76-7 CAS Registry Number ChEBI
Citations Waiting for Citations Types Sources
11171088 PubMed citation Europe PMC
15766084 PubMed citation Europe PMC
26920809 PubMed citation Europe PMC
Last Modified
19 August 2021