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CAS 143-14-6

CAS 143-14-6 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 143-14-6

CAS 143-14-6PubChem CID 6431148

9-Undecenal

IUPAC name: (E)-undec-9-enal

Molecular formula: C11H20O
Molecular weight: 168.28 g/mol
Exact mass: 168.151415257 Da
XLogP3: 3.5
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

9-HendecenalFEMA No. 3094mandarine undecenalEINECS 205-586-3(9E)-UNDEC-9-ENAL879S4Y7K6FRefChem:5499109-UNDECENAL [FHFI]

12 more reported names

Undecenoic aldehyde9-Undecenal, (9E)-Undec-9-en-1-alMandarine undecenal, (9E)-UNII-V1269I55MRV1269I55MRFEMA No. 3094, (E)-UNII-879S4Y7K6F(9E)-9-undecenalALDEHYDE SUPRAFEMA 3094FEMA NO. 3094, E-

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External database identifiers

EPA DTXSID:DTXSID80186194

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

Records for CAS 143-14-6

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How CAS 143-14-6 is used on this site

CAS 143-14-6 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 143-14-6 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.