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.