A1EI1

2-ethynyl-4-[4-(5-oxidanylpentoxy)phenyl]benzaldehyde

Created:	2025-01-02
Last modified:	2026-01-07

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Chemical Details
Formal Charge	0
Atom Count	43
Chiral Atom Count	0
Bond Count	44
Aromatic Bond Count	12

2D diagram of A1EI1

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Chemical Component Summary
Name	2-ethynyl-4-[4-(5-oxidanylpentoxy)phenyl]benzaldehyde
Systematic Name (OpenEye OEToolkits)	2-ethynyl-4-[4-(5-oxidanylpentoxy)phenyl]benzaldehyde
Formula	C₂₀ H₂₀ O₃
Molecular Weight	308.371
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	CACTVS	3.385	OCCCCCOc1ccc(cc1)c2ccc(C=O)c(c2)C#C
SMILES	OpenEye OEToolkits	2.0.7	C#Cc1cc(ccc1C=O)c2ccc(cc2)OCCCCCO
Canonical SMILES	CACTVS	3.385	OCCCCCOc1ccc(cc1)c2ccc(C=O)c(c2)C#C
Canonical SMILES	OpenEye OEToolkits	2.0.7	C#Cc1cc(ccc1C=O)c2ccc(cc2)OCCCCCO
InChI	InChI	1.06	InChI=1S/C20H20O3/c1-2-16-14-18(6-7-19(16)15-22)17-8-10-20(11-9-17)23-13-5-3-4-12-21/h1,6-11,14-15,21H,3-5,12-13H2
InChIKey	InChI	1.06	JVRBFNAJZRWUKE-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.