A1CFK

1-benzyl-1H-1,3-benzimidazole-2-sulfonic acid

Created:	2025-06-09
Last modified:	2026-02-04

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2 entries where A1CFK is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	32
Chiral Atom Count	0
Bond Count	34
Aromatic Bond Count	16

2D diagram of A1CFK

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Chemical Component Summary
Name	1-benzyl-1H-1,3-benzimidazole-2-sulfonic acid
Systematic Name (OpenEye OEToolkits)	1-(phenylmethyl)benzimidazole-2-sulfonic acid
Formula	C₁₄ H₁₂ N₂ O₃ S
Molecular Weight	288.322
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	O=S(=O)(O)c1nc2ccccc2n1Cc1ccccc1
SMILES	CACTVS	3.385	O[S](=O)(=O)c1nc2ccccc2n1Cc3ccccc3
SMILES	OpenEye OEToolkits	3.1.0.0	c1ccc(cc1)Cn2c3ccccc3nc2S(=O)(=O)O
Canonical SMILES	CACTVS	3.385	O[S](=O)(=O)c1nc2ccccc2n1Cc3ccccc3
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	c1ccc(cc1)Cn2c3ccccc3nc2S(=O)(=O)O
InChI	InChI	1.06	InChI=1S/C14H12N2O3S/c17-20(18,19)14-15-12-8-4-5-9-13(12)16(14)10-11-6-2-1-3-7-11/h1-9H,10H2,(H,17,18,19)
InChIKey	InChI	1.06	HGYLMBSADYHHGI-UHFFFAOYSA-N

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.