A1CUS

6-methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one

Created:	2025-09-19
Last modified:	2026-02-18

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1 entries where A1CUS is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	26
Chiral Atom Count	0
Bond Count	27
Aromatic Bond Count	6

2D diagram of A1CUS

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Chemical Component Summary
Name	6-methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one
Systematic Name (OpenEye OEToolkits)	6-methyl-2-phenyl-4,5-dihydropyridazin-3-one
Formula	C₁₁ H₁₂ N₂ O
Molecular Weight	188.226
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	O=C1CCC(C)=NN1c1ccccc1
SMILES	CACTVS	3.385	CC1=NN(C(=O)CC1)c2ccccc2
SMILES	OpenEye OEToolkits	3.1.0.0	CC1=NN(C(=O)CC1)c2ccccc2
Canonical SMILES	CACTVS	3.385	CC1=NN(C(=O)CC1)c2ccccc2
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	CC1=NN(C(=O)CC1)c2ccccc2
InChI	InChI	1.06	InChI=1S/C11H12N2O/c1-9-7-8-11(14)13(12-9)10-5-3-2-4-6-10/h2-6H,7-8H2,1H3
InChIKey	InChI	1.06	KQVXOJQOQRTUDA-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.