Chemical identity

2-Aminobenzenesulfonic acid

CAS 88-21-1 · C6H7NO3S

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-01800
PubChem CID6926
Name2-Aminobenzenesulfonic acid
CAS RN88-21-1
Molecular formulaC6H7NO3S
Molecular weight173.19 g/mol
IUPAC name2-aminobenzenesulfonic acid
InChIKeyZMCHBSMFKQYNKA-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 6926
Two-dimensional chemical structure of 2-Aminobenzenesulfonic acid, CAS 88-21-1
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 1 ring, includes aromatic atoms. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=S(C1=CC=CC=C1N)(O)=O
InChINot listed
Formula from structureC6H7NO3S
Molecular weight from structure173.19 g/mol

03India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDCAS 88-21-1 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 88-21-1 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

04Names and relationships

Associated parent compound

Mesalazine

View API and impurity family

Other names

  • Mesalamine EP Impurity O
  • Orthanilic acid
  • o-Sulfanilic acid
  • 2-Aminobenzenesulphonic acid
  • Aniline-o-sulfonic acid
  • 2-Sulfanilic acid
  • Aniline-o-sulphonic acid
  • 1-Aminobenzene-2-sulfonic acid

Related records from the same parent family

05Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

06Sources