A1CQC

1-(1H-1,3-benzimidazol-2-yl)ethan-1-one

Created:	2025-08-22
Last modified:	2026-05-20

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1 entries where A1CQC is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	20
Chiral Atom Count	0
Bond Count	21
Aromatic Bond Count	10

2D diagram of A1CQC

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Chemical Component Summary
Name	1-(1H-1,3-benzimidazol-2-yl)ethan-1-one
Systematic Name (OpenEye OEToolkits)	1-(1~{H}-benzimidazol-2-yl)ethanone
Formula	C₉ H₈ N₂ O
Molecular Weight	160.173
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	CC(=O)c1nc2ccccc2[NH]1
SMILES	CACTVS	3.385	CC(=O)c1[nH]c2ccccc2n1
SMILES	OpenEye OEToolkits	3.1.0.0	CC(=O)c1[nH]c2ccccc2n1
Canonical SMILES	CACTVS	3.385	CC(=O)c1[nH]c2ccccc2n1
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	CC(=O)c1[nH]c2ccccc2n1
InChI	InChI	1.06	InChI=1S/C9H8N2O/c1-6(12)9-10-7-4-2-3-5-8(7)11-9/h2-5H,1H3,(H,10,11)
InChIKey	InChI	1.06	UYFMRVDIXXOWLR-UHFFFAOYSA-N

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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.