CHEBI:40863 - 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid

ChEBI IDCHEBI:40863
ChEBI Name3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
Stars
DefinitionA dihydroxyanthraquinone that is 1,2-dihydroxyanthraquinone compound carrying an additional sulfo substituent at the 3-position. The monosodium salt is the biological stain 'alizarin red S'.
Secondary ChEBI IDCHEBI:87364
Last Modified12 June 2025
SubmitterSteve
DownloadsMolfile
FormulaC14H8O7S
Net Charge0
Average Mass320.278
Monoisotopic Mass319.99907
SMILESO=C1c2ccccc2C(=O)c2c1cc(S(=O)(=O)O)c(O)c2O
InChIInChI=1S/C14H8O7S/c15-11-6-3-1-2-4-7(6)12(16)10-8(11)5-9(22(19,20)21)13(17)14(10)18/h1-5,17-18H,(H,19,20,21)
InChIKeyJKYKXTRKURYNGW-UHFFFAOYSA-N
Roles Classification
Application:
histological dye  A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
ChEBI Ontology
Outgoing Relation(s)
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid (CHEBI:40863) has role histological dye (CHEBI:77178)
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid (CHEBI:40863) is a dihydroxyanthraquinone (CHEBI:37484)
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid (CHEBI:40863) is a organosulfonic acid (CHEBI:33551)
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid (CHEBI:40863) is conjugate acid of 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate (CHEBI:87361)
Incoming Relation(s)
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate (CHEBI:87361) is conjugate base of 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid (CHEBI:40863)
IUPAC Name 
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
Synonyms  Source
Alizarin Red S (free acid)ChEBI
1,2-Dihydroxy-3-sulfoanthraquinoneChemIDplus
1,2-Dihydroxy-3-sulfonate-9,10-anthraquinoneChemIDplus
3,4-Dihydroxy-2-anthraquinonesulfonic acidChemIDplus
3,4-Dihydroxy-9,10-anthraquinone-2-sulfonic acidChemIDplus
3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acidChemIDplus
Manual XrefsDatabases
AZNPDBeChem
Registry NumbersSources
Beilstein:2225330Beilstein
Gmelin:379346Gmelin
CAS:83-61-4ChemIDplus
Citations