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CAS 89-80-5

CAS 89-80-5 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 89-80-5
CAS 89-80-5PubChem CID 26447

Menthone

(-)-menthone is a menthone that is cyclohexanone substituted by a methyl and an isopropyl group at positions 5 and 2 respectively (the 2S,5R-stereoisomer). It is an enantiomer of a (+)-menthone. — ChEBI

IUPAC name
trans-(2S,5R)-5-methyl-2-propan-2-ylcyclohexan-1-one
Molecular formula
C10H18O
Molecular weight
154.25 g/mol
Exact mass
154.135765193 Da
XLogP3
2.7
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
2

Also known as

trans-Menthonep-Menthonetrans-Menthan-3-oneNeomenthoneMenthone racemictrans-p-Menthan-3-onep-Menthan-3-one, trans-Menthone G
16 more reported names
(2S,5R)-5-methyl-2-propan-2-ylcyclohexan-1-oneCyclohexanone, 5-methyl-2-(1-methylethyl)-, trans-9NH5J4V8FNCyclohexanone, 5-methyl-2-(1-methylethyl)-, (2R,5S)-rel-CHEBI:36503RefChem:925486SINGLEEX ISOMENTHONEMENTHONE, (A+-)-201-941-1214-049-2(-)-Menthonel-MENTHONE(2S,5R)-2-isopropyl-5-methylcyclohexanoneDL-MenthoneL-Menthan-3-oneCyclohexanone, 5-methyl-2-(1-methylethyl)-, (2S,5R)-
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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 89-80-5

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How CAS 89-80-5 is used on this site

CAS 89-80-5 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 89-80-5 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.