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CAS 481-53-8

CAS 481-53-8 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 481-53-8
CAS 481-53-8PubChem CID 68077

Tangeretin

Tangeretin is a pentamethoxyflavone flavone with methoxy groups at positions 4', 5, 6 , 7 and 8. It has a role as an antineoplastic agent and a plant metabolite. — ChEBI

IUPAC name
5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
Molecular formula
C20H20O7
Molecular weight
372.4 g/mol
Exact mass
372.12090297 Da
XLogP3
3.0
Topological polar surface area
72.5 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
7
Covalent units
1
Defined stereocentres
0

Also known as

TangeritinPonkanetinPentamethoxyflavone4',5,6,7,8-Pentamethoxyflavone5,6,7,8,4'-Pentamethoxyflavone4H-1-Benzopyran-4-one, 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-2-(4-Methoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-oneI4TLA1DLX6
16 more reported names
5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one4',5,6,7,8-pentamethoxy-flavoneNSC-53909NSC-618905CHEBI:9400RefChem:51834CHEBI:387245,6,7,8,4-pentamethoxyflavone207-570-15,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4H-chromen-4-oneNSC 539095,6,7,8-Tetramethoxy-2-(4-methoxyphenyl)-4-benzopyroneFlavone, 4',5,6,7,8-pentamethoxy-4H-1-Benzopyran-4-one, 5,6,7,8-tetramethoxy-2-(p-methoxyphenyl)-Flavone, 5,6,7,8,4'-pentamethoxyA1EUI
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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 481-53-8

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How CAS 481-53-8 is used on this site

CAS 481-53-8 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 481-53-8 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.