A1EUI

5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one

Created:	2025-07-29
Last modified:	2026-04-22

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2 entries where A1EUI is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	47
Chiral Atom Count	0
Bond Count	49
Aromatic Bond Count	12

2D diagram of A1EUI

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Chemical Component Summary
Name	5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
Synonyms	Tangeretin
Systematic Name (OpenEye OEToolkits)	5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
Formula	C₂₀ H₂₀ O₇
Molecular Weight	372.369
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	CACTVS	3.385	COc1ccc(cc1)C2=CC(=O)c3c(OC)c(OC)c(OC)c(OC)c3O2
SMILES	OpenEye OEToolkits	2.0.7	COc1ccc(cc1)C2=CC(=O)c3c(c(c(c(c3OC)OC)OC)OC)O2
Canonical SMILES	CACTVS	3.385	COc1ccc(cc1)C2=CC(=O)c3c(OC)c(OC)c(OC)c(OC)c3O2
Canonical SMILES	OpenEye OEToolkits	2.0.7	COc1ccc(cc1)C2=CC(=O)c3c(c(c(c(c3OC)OC)OC)OC)O2
InChI	InChI	1.06	InChI=1S/C20H20O7/c1-22-12-8-6-11(7-9-12)14-10-13(21)15-16(23-2)18(24-3)20(26-5)19(25-4)17(15)27-14/h6-10H,1-5H3
InChIKey	InChI	1.06	ULSUXBXHSYSGDT-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.