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CAS 945558-97-4

CAS 945558-97-4 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 945558-97-4
CAS 945558-97-4PubChem CID 67772502

Trimethoxybenzylidene pentanedione

IUPAC name
3-[(3,4,5-trimethoxyphenyl)methylidene]pentane-2,4-dione
Molecular formula
C15H18O5
Molecular weight
278.30 g/mol
Exact mass
278.11542367 Da
XLogP3
1.8
Topological polar surface area
61.8 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

Synoxyl HSS322V0ACF25EC 807-059-93-(3,4,5-Trimethoxy benzylidene)-2,4-pentanedione3-[(3,4,5-Trimethoxyphenyl)methylene]-2,4-pentanedione2,4-Pentanedione, 3-[(3,4,5-trimethoxyphenyl)methylene]-3-((3,4,5-Trimethoxyphenyl)methylene)-2,4-pentanedione2,4-PENTANEDIONE, 3-((3,4,5-TRIMETHOXYPHENYL)METHYLENE)-
6 more reported names
RefChem:899728TRIMETHOXYBENZYLIDENE PENTANEDIONE [INCI]807-059-9UNII-322V0ACF25ATNSJLDBJQDEBF-UHFFFAOYSA-N3-(3,4,5-trimethoxybenzylidene)-2,4-pentanedione
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 945558-97-4

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How CAS 945558-97-4 is used on this site

CAS 945558-97-4 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 945558-97-4 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.