Wikipedia:  

orthanilic acid

Anilino-o-sulphonic acid; o-Aminophenylsulfonic acid; 2-aminobenzenesulfonic acid; Aniline-o-sulfonic acid; o-Sulfanilic acid; Benzenesulfonic acid, 2-amino-; 2-Aminobenzenesulfonic acid; 2-Aminobenzenesulfonate; Aniline-2-sulfonic acid; 1-Aminobenzene-2-sulfonic acid; Benzenesulfonic acid, o-amino-
Molecular Formula
C6 H7 N O3 S
Natural Isotopic Abundance Mass
173.18968
Mono-Isotopic Molecular Masses
C12N14:   173.0146637862
C13N14:   179.034792813
C12N15:   174.0116986794
C13N15:   180.0318277062
orthanilic acid image
orthanilic acid
InCHi String:
InChI=1S/C6H7NO3S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

canonical and isomeric SMILES:
C1=CC=C(C(=C1)N)S(=O)(=O)O


PUBCHEM iupac NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME
2-aminobenzenesulfonic acid

PUBCHEM iupac TRADITIONAL NAME
2-aminobesylic acid

PUBCHEM iupac SYSTEMATIC NAME
2-azanylbenzenesulfonic acid



PubChem Substance (SID):   111677892   149935   24891357
PubChem Compound (CID):   6926
KEGG: Compound ID   C06333
CAS Registry IDs:   88-21-1
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   CAS 88-21-1   MMCD cq_03557   Sigma-Aldrich A86805_ALDRICH   EPA DSSTox 33787   ChemIDplus 000088211   EINECS 201-810-9   CCRIS 4575   NIST Chemistry WebBook 3771043088   NIST 3771043088

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.