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2-phenyl-1H-benzimidazole-5-sulfonic acid

View entire compound with spectra: 3 NMR, 4 FTIR, and 1 Raman

2-phenyl-1H-benzimidazole-5-sulfonic acid
SpectraBase Compound ID 4evBcAwOACf
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 UVCJGUGAGLDPAA-UHFFFAOYSA-N
Mol Weight 274.29 g/mol
Molecular Formula C13H10N2O3S
Exact Mass 274.041213 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID EVXyUzPTo34
Name 2-Phenyl-5-benzimidazolesulfonic acid
Source of Sample Aldrich
Catalog Number 437166
CAS Registry Number 27503-81-7
Classification 5-membered fused aromatic heterocycles
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C13H10N2O3S
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 UVCJGUGAGLDPAA-UHFFFAOYSA-N
Purity 96%
Solvent Nujol
Source of Spectrum Sigma-Aldrich Co. LLC.
Synonyms Ensulizole
Technique Mull
Wiley ID SIAL_FTIR_1_8156