1H-Benzimidazole-2-sulfonic acid
CAS Registry Number®
40828-54-4
CAS Name
1H-Benzimidazole-2-sulfonic acidMolecular Formula
C7H6N2O3SMolecular Mass
198.20Cite this Page
1H-Benzimidazole-2-sulfonic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=40828-54-4 (retrieved ) (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