1H-Benzimidazole-2-sulfonic acid

CAS Registry Number®

40828-54-4
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CAS Name

1H-Benzimidazole-2-sulfonic acid

Molecular Formula

C7H6N2O3S

Molecular Mass

198.20

Cite this Page

1H-Benzimidazole-2-sulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=40828-54-4 (retrieved 2024-05-03) (CAS RN: 40828-54-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    365 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C7H6N2O3S/c10-13(11,12)7-8-5-3-1-2-4-6(5)9-7/h1-4H,(H,8,9)(H,10,11,12)

InChIKey

InChIKey=GWXQTTKUYBEZBP-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1NC=2C(N1)=CC=CC2

Canonical SMILES

O=S(=O)(O)C1=NC=2C=CC=CC2N1

Other Names for this Substance

  • 1H-Benzimidazole-2-sulfonic acid
  • 2-Benzimidazolesulfonic acid
  • 1H-Benzoimidazole-2-sulfonic acid
  • 1H-1,3-Benzodiazole-2-sulfonic acid

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