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CHEBI:16200 - questin

ChEBI IDCHEBI:16200
ChEBI Namequestin
Stars
DefinitionA dihydroxyanthraquinone that is 1,6-dihyroxy-9,10-anthraquinone which is substituted by a methyl group at position 3 and a methoxy group at position 8.
Secondary ChEBI IDsCHEBI:8706, CHEBI:14997, CHEBI:26486
Last Modified14 June 2016
DownloadsMolfile
FormulaC16H12O5
Net Charge0
Average Mass284.267
Monoisotopic Mass284.06847
SMILESCOc1cc(O)cc2c1C(=O)c1c(O)cc(C)cc1C2=O
InChIInChI=1S/C16H12O5/c1-7-3-9-13(11(18)4-7)16(20)14-10(15(9)19)5-8(17)6-12(14)21-2/h3-6,17-18H,1-2H3
InChIKeyUUNPIWCQMVNINR-UHFFFAOYSA-N
ChEBI Ontology
Outgoing Relation(s)
questin (CHEBI:16200) has functional parent emodin (CHEBI:42223)
questin (CHEBI:16200) is a dihydroxyanthraquinone (CHEBI:37484)
questin (CHEBI:16200) is conjugate acid of questin-2-olate (CHEBI:57676)
Incoming Relation(s)
questin-2-olate (CHEBI:57676) is conjugate base of questin (CHEBI:16200)
IUPAC Name 
1,6-dihydroxy-8-methoxy-3-methylanthracene-9,10-dione
Synonyms  Source
QuestinKEGG COMPOUND
1,6-dihydroxy-3-methyl-8-(methyloxy)anthracene-9,10-dioneIUPAC
emodin-8-methyl etherChemIDplus
1,6-dihydroxy-8-methoxy-3-methyl-9,10-anthraquinoneIUPAC
3,8-dihydroxy-1-methoxy-6-methylanthracene-9,10-dioneIUBMB
Manual XrefsDatabases
C01448KEGG COMPOUND
C00000570KNApSAcK
Registry NumbersSources
Beilstein:2061188Beilstein
CAS:3774-64-9KEGG COMPOUND
CAS:3774-64-9ChemIDplus