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CAS 66-97-7

CAS 66-97-7 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 66-97-7
CAS 66-97-7PubChem CID 6199

Psoralen

IUPAC name
furo[3,2-g]chromen-7-one
Molecular formula
C11H6O3
Molecular weight
186.16 g/mol
Exact mass
186.031694049 Da
XLogP3
2.3
Topological polar surface area
39.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Ficusin7H-Furo[3,2-g]chromen-7-oneFurocoumarinPsoralene7H-Furo[3,2-g][1]benzopyran-7-onePsorline-P6,7-FuranocoumarinFuro(2',3',7,6)coumarin
16 more reported names
Furo(3,2-g)-coumarinFuro(4',5',6,7)coumarin7H-Furo(3,2-g)(1)benzopyran-7-oneFuro[4',5':6,7]coumarinManadermFuro[2',3':7,6]coumarinKTZ7ZCN2EX6-Hydroxy-5-benzofuranacrylic acid beta-lactoneNSC-4045625-Benzofuranacrylic acid, 6-hydroxy-, delta-lactone6-hydroxy-5-benzofuranacrylic acid delta-lactoneCHEBI:276162H-furo[3,2-g]chromen-2-one2-Propenoic acid, 3-(6-hydroxy-5-benzofuranyl)-, delta-lactone6-hydroxy-5-benzofuranacrylic acid gamma-lactone3-(6-hydroxy-5-benzofuranyl)-2-propenoic acid delta-lactone
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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 66-97-7

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How CAS 66-97-7 is used on this site

CAS 66-97-7 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 66-97-7 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.