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CAS 80558-50-5

CAS 80558-50-5 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 80558-50-5
CAS 80558-50-5PubChem CID 2545

Hexahydro-3a,7a-dimethyl-4,7-epoxyisobenzofuran-1,3-dione

IUPAC name
2,6-dimethyl-4,10-dioxatricyclo[5.2.1.02,6]decane-3,5-dione
Molecular formula
C10H12O4
Molecular weight
196.20 g/mol
Exact mass
196.07355886 Da
XLogP3
0.6
Topological polar surface area
52.6 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

RefChem:1086552NSC 1904214,7-Epoxyisobenzofuran-1,3-dione, hexahydro-3a,7a-dimethyl-CAN [Alkaloid]4,7-Epoxyisobenzofuran-1,3-dione, hexahydro-3a,7a-dimethyl-, (3aalpha,4alpha,7alpha,7aalpha)SR-01000075779epi-CantharidinNSC 61805
16 more reported names
3a,7a-Dimethylhexahydro-4,7-epoxyisobenzofuran-1,3-dioneCHEMBL8066Lopac0_000248BSPBio_001546KBioGR_000266KBioSS_000266BMK1-G12CHEBI:93862KBio2_000266KBio2_002834KBio2_005402KBio3_000531KBio3_000532Bio1_000380Bio1_000869Bio1_001358
Open full PubChem recordPubChem annotations3D structure image
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 80558-50-5

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How CAS 80558-50-5 is used on this site

CAS 80558-50-5 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 80558-50-5 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.