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CAS 643-84-5

CAS 643-84-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 643-84-5
CAS 643-84-5PubChem CID 69512

Malvidin Chloride

IUPAC name
2-(4-hydroxy-3,5-dimethoxyphenyl)chromenylium-3,5,7-triol chloride
Molecular formula
C17H15ClO7
Molecular weight
366.7 g/mol
Exact mass
366.0506305 Da
Topological polar surface area
100.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
7
Covalent units
2
Defined stereocentres
0

Also known as

SyringidinPrimulidinEnidin3,4',5,7-Tetrahydroxy-3',5'-dimethoxyflavylium chlorideGL5KGZ4D8UNSC-94526RefChem:800844211-403-8
16 more reported names
Malvinidol chlorideSyringidin chlorideMalvidolOenidinMalvinidinMalvidin (chloride)2-(4-hydroxy-3,5-dimethoxyphenyl)chromenylium-3,5,7-triol;chlorideMALVIDINCHLORIDEEINECS 211-403-8UNII-GL5KGZ4D8UNSC 94526Malvidinchlorid1-Benzopyrylium, 3,5,7-trihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-, chlorideFlavylium, 3,4',5,7-tetrahydroxy-3',5'-dimethoxy-, chloride3,4',5,7-Tetrahydroxy-2',5'-dimethoxy-2-phenylbenzopyrylium chlorideMALVIDIN CHLORIDE [MI]
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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 643-84-5

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No records found for this CAS number.

How CAS 643-84-5 is used on this site

CAS 643-84-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 643-84-5 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.