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CAS 480-47-7

CAS 480-47-7 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 480-47-7
CAS 480-47-7PubChem CID 119199

3,4-dihydro-8-hydroxy-3-(4-hydroxyphenyl)-1H-2-benzopyran-1-one

Hydrangenol is a member of the class of dihydroisocoumarins that is 3,4-dihydroisocoumarin substituted by a hydroxy group at position 8 and a 4-hydroxyphenyl group at position 3. It has been isolated from the roots of Scorzonera judaica and exhibits anti-allergic activity. It has a role as an anti-allergic agent and a plant metabolite. It is a member of phenols and a member of dihydroisocoumarins. It is functionally related to a 3,4-dihydroisocoumarin. — ChEBI

IUPAC name
8-hydroxy-3-(4-hydroxyphenyl)-3,4-dihydroisochromen-1-one
Molecular formula
C15H12O4
Molecular weight
256.25 g/mol
Exact mass
256.07355886 Da
XLogP3
3.2
Topological polar surface area
66.8 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

HydrangenolTL8PI7PHV11H-2-Benzopyran-1-one, 3,4-dihydro-8-hydroxy-3-(4-hydroxyphenyl)-CHEBI:57768-hydroxy-3-(4-hydroxyphenyl)isochroman-1-oneRefChem:1469848-hydroxy-3-(4-hydroxyphenyl)-3,4-dihydro-1H-2-benzopyran-1-oneAC1L3ODH
16 more reported names
UNII-TL8PI7PHV1CCRIS 8569Isocoumarin, 3,4-dihydro-8-hydroxy-3-(p-hydroxyphenyl)- (6CI,7CI,8CI); 3,4-Dihydro-8-hydroxy-3-(4-hydroxyphenyl)-1H-2-benzopyran-1-one; (+/-)-HydrangenolHYDRANENOL(+/-)-Hydrangenol(A+/-)-Hydrangenol8-hydroxy-3-(4-hydroxyphenyl)-3,4-dihydro-1h-isochromen-1-oneCHEBI:68140HY-N4028TN4234EBC-616608FS-9918DA-54150CS-0024477ISOCOUMARIN, 3,4-DIHYDRO-8-HYDROXY-3-(P-HYDROXYPHENYL)-Isocoumarin, 3,4-dihydro-8-hydroxy-3-(p-hydroxyphenyl)- (6CI,7CI,8CI); 3,4-Dihydro-8-hydroxy-3-(4-hydroxyphenyl)-1H-2-benzopyran-1-one; ()-Hydrangenol
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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 480-47-7

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How CAS 480-47-7 is used on this site

CAS 480-47-7 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 480-47-7 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.