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CAS 528-53-0

CAS 528-53-0 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 528-53-0
CAS 528-53-0PubChem CID 68245

Delphinidin Chloride

IUPAC name
2-(3,4,5-trihydroxyphenyl)chromenylium-3,5,7-triol chloride
Molecular formula
C15H11ClO7
Molecular weight
338.69 g/mol
Exact mass
338.0193304 Da
Topological polar surface area
122.0 Ų
Hydrogen-bond donors
6
Hydrogen-bond acceptors
7
Covalent units
2
Defined stereocentres
0

Also known as

3,3',4',5,5',7-Hexahydroxyflavylium chloride2-(3,4,5-trihydroxyphenyl)chromenylium-3,5,7-triol;chlorideRefChem:131633Delphinidin (chloride)1-Benzopyrylium, 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-, chloride3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-1-benzopyrylium chloride3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)benzopyrylium chlorideDelphinidin Chloride (~80% purity)
16 more reported names
2-(3,4,5-trihydroxyphenyl)-1-benzopyrylium-3,5,7-triol3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)chromenylium chlorideDelphinidine; Delphinidol; Ephdine; IdB 1056;Delfinidol chloride; DelphinidinEphdine; 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)chromenylium chlorideIdB-1056Delphinidin chloride, analytical standardCCRIS 2518UNII-EM6MD4AEHEEINECS 208-437-0delfinidolchlorideParaffin liquid,DELPHINIDIN [MI]Flavylium 3,3',4',5,5',7-hexahydroxy-, chlorideHY-N2409RDelphinidin (chloride) (Standard)GLXC-10984
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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 528-53-0

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No records found for this CAS number.

How CAS 528-53-0 is used on this site

CAS 528-53-0 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 528-53-0 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.