A1ENG

3-(trifluoromethyl)-1,4-dihydropyrazol-5-one

Created:	2025-03-18
Last modified:	2026-02-18

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1 entries where A1ENG is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	13
Chiral Atom Count	0
Bond Count	13
Aromatic Bond Count	0

2D diagram of A1ENG

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Chemical Component Summary
Name	3-(trifluoromethyl)-1,4-dihydropyrazol-5-one
Systematic Name (OpenEye OEToolkits)	3-(trifluoromethyl)-1,4-dihydropyrazol-5-one
Formula	C₄ H₃ F₃ N₂ O
Molecular Weight	152.075
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	CACTVS	3.385	FC(F)(F)C1=NNC(=O)C1
SMILES	OpenEye OEToolkits	2.0.7	C1C(=NNC1=O)C(F)(F)F
Canonical SMILES	CACTVS	3.385	FC(F)(F)C1=NNC(=O)C1
Canonical SMILES	OpenEye OEToolkits	2.0.7	C1C(=NNC1=O)C(F)(F)F
InChI	InChI	1.06	InChI=1S/C4H3F3N2O/c5-4(6,7)2-1-3(10)9-8-2/h1H2,(H,9,10)
InChIKey	InChI	1.06	PMTWALQJNWEDLH-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.