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CHEBI:1015 - 2-aminobenzenesulfonic acid

ChEBI IDCHEBI:1015
ChEBI Name2-aminobenzenesulfonic acid
Stars
DefinitionAn aminobenzenesulfonic acid carrying an amino group at position 2.
Last Modified1 July 2025
DownloadsMolfile
FormulaC6H7NO3S
Net Charge0
Average Mass173.193
Monoisotopic Mass173.01466
SMILESNc1ccccc1S(=O)(=O)O
InChIInChI=1S/C6H7NO3S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
InChIKeyZMCHBSMFKQYNKA-UHFFFAOYSA-N
Roles Classification
Chemical Role:
Bronsted base  A molecular entity capable of accepting a hydron from a donor (Brønsted acid).
ChEBI Ontology
Outgoing Relation(s)
2-aminobenzenesulfonic acid (CHEBI:1015) is a aminobenzenesulfonic acid (CHEBI:33557)
2-aminobenzenesulfonic acid (CHEBI:1015) is conjugate acid of 2-aminobenzenesulfonate (CHEBI:15942)
Incoming Relation(s)
2-aminobenzenesulfonate (CHEBI:15942) is conjugate base of 2-aminobenzenesulfonic acid (CHEBI:1015)
IUPAC Name 
2-aminobenzenesulfonic acid
Synonyms  Source
2-Aminobenzenesulfonic acidKEGG COMPOUND
o-Aminobenzenesulfonic acidKEGG COMPOUND
Orthanilic acidKEGG COMPOUND
2-sulfanilic acidChemIDplus
aniline-o-sulfonic acidNIST Chemistry WebBook
aniline-o-sulphonic acidNIST Chemistry WebBook
Manual XrefsDatabases
C06333KEGG COMPOUND
Registry NumbersSources
Gmelin:241097Gmelin
Reaxys:1309204Reaxys
CAS:88-21-1KEGG COMPOUND
CAS:88-21-1ChemIDplus
CAS:88-21-1NIST Chemistry WebBook
Citations