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CAS 17909-77-2

CAS 17909-77-2 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 17909-77-2
CAS 17909-77-2PubChem CID 5281534

alpha-Sinensal

Alpha-Sinensal is a sesquiterpenoid. — ChEBI

IUPAC name
(2E,6E,9E)-2,6,10-trimethyldodeca-2,6,9,11-tetraenal
Molecular formula
C15H22O
Molecular weight
218.33 g/mol
Exact mass
218.167065321 Da
XLogP3
4.8
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

(E,E,E)-2,6,10-Trimethyldodeca-2,6,9,11-tetraen-1-alSinensal, alpha-.alpha.-Sinensal5SEZ02PE9O2,6,9,11-Dodecatetraenal, 2,6,10-trimethyl-, (2E,6E,9E)-EINECS 241-854-62,6,9,11-Dodecatetraenal, 2,6,10-trimethyl-, (E,E,E)-RefChem:555939
10 more reported names
4955-32-2(2E,6E,9E)-2,6,10-Trimethyl-2,6,9,11-dodecatetraenalsinensal (alpha-)UNII-5SEZ02PE9O2,6,10-trimethyldodeca-2,6,9,11-tetraenalCHEBI:10332alpha-Sinensal (Technical Grade)2,6,10-Trimethyl-(E,E,E)-2,6,9,11-Dodecatetraenal(2E,6E,9E)-2,6,10-trimethyl-dodeca-2,6,9,11-tetraenal2,6,10-Trimethyl-(2E,6E,9E)-2,6,9,11-Dodecatetraenal
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 17909-77-2

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How CAS 17909-77-2 is used on this site

CAS 17909-77-2 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 17909-77-2 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.