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CAS 6720-16-7

CAS 6720-16-7 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 6720-16-7

CAS 6720-16-7PubChem CID 111234

Undecanal, 2-ethylidene-

IUPAC name: 2-ethylideneundecanal

Molecular formula: C13H24O
Molecular weight: 196.33 g/mol
Exact mass: 196.182715385 Da
XLogP3: 5.1
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Undecanal, 2-ethylideneEINECS 229-772-9RefChem:9010282-nonyl-2-butenal2-nonyl crotonaldehydeUDHFJAGCBKZYMB-UHFFFAOYSA-NDB-289576

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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 6720-16-7 is used on this site

CAS 6720-16-7 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 6720-16-7 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.