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CAS 557-58-4

CAS 557-58-4 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 557-58-4
CAS 557-58-4PubChem CID 5312688

Ximenynic acid

Ximenynic acid is a long-chain fatty acid. — ChEBI

IUPAC name
(E)-octadec-11-en-9-ynoic acid
Molecular formula
C18H30O2
Molecular weight
278.4 g/mol
Exact mass
278.224580195 Da
XLogP3
6.6
Topological polar surface area
37.3 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Ximeninic acidSantalbic acidXymenynic acidtrans-11-Octadecen-9-ynoic acid11E-octadecen-9-ynoic acidIA0Z48P13WHYDROR ILNSC-252625
16 more reported names
RefChem:195361209-179-111-octadecen-9-ynoic acid11-Octadecen-9-ynoic acid, (E)-(11E)-octadec-11-en-9-ynoic acidUNII-IA0Z48P13WAgonandoic acidEINECS 209-179-1NSC 252625Ximeninic acid, AldrichCPRXYMENYNIC ACID [WHO-DD]CHEBI:165495VENIIVIRETXKSV-BQYQJAHWSA-Ntrans-11-octa-decen-9-ynoic acid11-Octadecen-9-ynoic acid, (11E)-Acetylenic acids; 11-Octadecen-9-ynoic acid, (E)-; Santalbic acid; trans-11-Octadecen-9-ynoic acid; Ximeninic acid; Agonandoic acid
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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 557-58-4

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How CAS 557-58-4 is used on this site

CAS 557-58-4 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 557-58-4 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.