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CAS 21662-09-9

CAS 21662-09-9 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 21662-09-9

CAS 21662-09-9PubChem CID 5362620

4-Decenal, (4Z)-

4-Decenal is a monounsaturated fatty aldehyde. — ChEBI

IUPAC name: (Z)-dec-4-enal

Molecular formula: C10H18O
Molecular weight: 154.25 g/mol
Exact mass: 154.135765193 Da
XLogP3: 3.1
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

cis-4-Decenal(Z)-4-Decenal(4Z)-4-Decenal5R675PGU7K(Z)-4-Decen-1-alUNII-5R675PGU7KEINECS 244-514-54-DECENAL, CIS-

15 more reported names

(Z)-4-DECENAL [FCC]RefChem:98688CWRKZMLUDFBPAO-SREVYHEPSA-Ncis-4-Decen-1-al4Z-Decenal(4z)-dec-4-enal4-DECENAL, (Z)-4-cis-Decenalcis-4-Decenal, >=93%, stabilized, FGCAS-21662-09-9cis-4-Decenal (>90%)p-Hydroxydiphenylmethane carbamicCHEBI:90056Tox21_300829cis-4-Decenal, technical grade, 80%

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External database identifiers

ChEBI:CHEBI:90056
EPA DTXSID:DTXSID5041514
PubMed:14584678

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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CAS 21662-09-9 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 21662-09-9 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.