Wikipedia:  

sulfanilic acid

Sulfanilic acid; sulphanilic acid; 4-aminobenzenesulfonic acid; 4-Aminobenzenesulfonic acid; Benzenesulfonic acid, 4-amino-; Aniline-4-sulfonic acid; aniline-p-sulfonic acid; aniline-p-sulphonic acid; p-aminophenylsulfonic acid; 4-Aminobenzenesulfonate; p-Aminobenzenesulfonic acid
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
sulfanilic acid image
sulfanilic acid
InCHi String:
InChI=1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

canonical and isomeric SMILES:
C1=CC(=CC=C1N)S(=O)(=O)O


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

PUBCHEM iupac TRADITIONAL NAME
4-aminobesylic acid

PUBCHEM iupac SYSTEMATIC NAME
4-azanylbenzenesulfonic acid



PubChem Substance (SID):   111677857   24899644   8571
PubChem Compound (CID):   8479
KEGG: Compound ID   C06335
CAS Registry IDs:   121-57-3
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   Sigma-Aldrich S5263_SIGMA   ChEBI CHEBI:27500   EPA DSSTox 33845   NIST Chemistry WebBook 68279583   MMCD cq_03559   MDL MFCD00007886

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.