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CAS 23787-90-8

CAS 23787-90-8 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 23787-90-8
CAS 23787-90-8PubChem CID 90978

1,3,4,6,7,8a-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one

Isolongifolanone has been reported in Artemisia annua with data available. — LOTUS - the natural products occurrence database

IUPAC name
2,2,8,8-tetramethyl-octahydro-1H-2,4a-methanonapthalen-10-one
Molecular formula
C15H24O
Molecular weight
220.35 g/mol
Exact mass
220.182715385 Da
XLogP3
4.0
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

2H-2,4a-Methanonaphthalen-8(5H)-one, 1,3,4,6,7,8a-hexahydro-1,1,5,5-tetramethyl-RefChem:412366Isolongifolone1,1,5,5-Tetramethylhexahydro-1H-2,4a-methanonaphthalen-8(2H)-one1,1,5,5-Tetramethylhexahydro-2H-2,4a-methanonaphthalen-8(5H)-oneIsolongifolanone- parent2,2,7,7-tetramethyltricyclo[6.2.1.01,6]undecan-5-oneAS-76432
8 more reported names
2,2,7,7-tetramethyltricyclo[6.2.1.0,undecan-5-one2,2,7,7-tetramethyltricyclo[6.2.1.0(1),]undecan-5-one1,1,5,5-tetramethyl-hexahydro-2,4-a-methano-naphthalen-8-one1,1,5,5-tetramethyl-hexahydro-2,4a-methano-naphthalene-8-one1,1,5,5-tetramethylhexahydro-2h-2,4a-methano-naphthalene-8-one2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-1,3,4,6,7,8a-hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalene-8(5H)-one2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-, (2.alpha.,4a.alpha.,8a.beta.)-
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 23787-90-8

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How CAS 23787-90-8 is used on this site

CAS 23787-90-8 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 23787-90-8 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.