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CAS 1646-26-0

CAS 1646-26-0 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 1646-26-0

CAS 1646-26-0PubChem CID 15435

2-Acetylbenzofuran

IUPAC name: 1-(1-benzofuran-2-yl)ethanone

Molecular formula: C10H8O2
Molecular weight: 160.17 g/mol
Exact mass: 160.052429494 Da
XLogP3: 2.6
Topological polar surface area: 30.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

2-AcetylcoumaroneEthanone, 1-(2-benzofuranyl)-2-Benzofuranyl methyl ketoneacetylbenzofuran1-(2-Benzofuranyl)ethanoneBenzo(b)furan-2-yl methyl ketoneKETONE, 2-BENZOFURANYL METHYLA1FJQ7D0K3

16 more reported names

NSC-23974NSC-28904COUMARONE 600303RefChem:84995216-706-91-(benzofuran-2-yl)ethanone2-AcetylcumaroneBenzofuran-2-yl methyl ketone2-acetylbenzo[b]furan1-(1-benzofuran-2-yl)ethan-1-oneNSC 23974NSC 289042-acetyl benzofuranBenzbromarone Impurity 132-ACETYLBENZO(B)FURAN2-AcetYl-Benzofuran

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External database identifiers

ChEMBL:CHEMBL561390
EPA DTXSID:DTXSID3061845
PubMed:22695127
PubMed:21579877
PubMed:17121175
PubMed:12298051

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 1646-26-0 is used on this site

CAS 1646-26-0 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 1646-26-0 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.