1H-Benzimidazole-6-sulfonic acid

CAS Registry Number®

27503-78-2
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CAS Name

1H-Benzimidazole-6-sulfonic acid

Molecular Formula

C7H6N2O3S

Molecular Mass

198.20

Cite this Page

1H-Benzimidazole-6-sulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=27503-78-2 (retrieved 2024-05-21) (CAS RN: 27503-78-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    365-367 °C

Source(s)

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=VXLKZBRLFFGAQT-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C=C2C(=CC1)N=CN2

Canonical SMILES

O=S(=O)(O)C=1C=CC=2N=CNC2C1

Other Names for this Substance

  • 1H-Benzimidazole-6-sulfonic acid
  • 5-Benzimidazolesulfonic acid
  • 1H-Benzimidazole-5-sulfonic acid
  • 5(or 6)-Benzimidazolesulfonic acid
  • 5-Sulfobenzimidazole

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