2-Phenylbenzimidazole-5-sulfonic acid

CAS Registry Number®

27503-81-7
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CAS Name

2-Phenylbenzimidazole-5-sulfonic acid

Molecular Formula

C13H10N2O3S

Molecular Mass

274.30

Cite this Page

2-Phenylbenzimidazole-5-sulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=27503-81-7 (retrieved 2024-04-23) (CAS RN: 27503-81-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C13H10N2O3S/c16-19(17,18)10-6-7-11-12(8-10)15-13(14-11)9-4-2-1-3-5-9/h1-8H,(H,14,15)(H,16,17,18)

InChIKey

InChIKey=UVCJGUGAGLDPAA-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C=C2C(N=C(N2)C3=CC=CC=C3)=CC1

Canonical SMILES

O=S(=O)(O)C1=CC=C2N=C(NC2=C1)C=3C=CC=CC3

Other Names for this Substance

  • 1H-Benzimidazole-6-sulfonic acid, 2-phenyl-
  • 5-Benzimidazolesulfonic acid, 2-phenyl-
  • 1H-Benzimidazole-5-sulfonic acid, 2-phenyl-
  • 2-Phenyl-1H-benzimidazole-6-sulfonic acid
  • 2-Phenylbenzimidazole-5-sulfonic acid

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Deleted or Replaced CAS Registry Numbers

165659-93-8

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