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CAS 90-42-6

CAS 90-42-6 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 90-42-6

CAS 90-42-6PubChem CID 7016

2-Cyclohexylcyclohexanone

IUPAC name: 2-cyclohexylcyclohexan-1-one

Molecular formula: C12H20O
Molecular weight: 180.29 g/mol
Exact mass: 180.151415257 Da
XLogP3: 3.7
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Lavamenthe2-Cyclohexyl cyclohexanoneBicyclohexanone[1,1'-Bicyclohexyl]-2-oneCyclohexanone, 2-cyclohexyl-1,1'-Bi(cyclohexyl)-2-one(1,1'-BICYCLOHEXYL)-2-ONEB3QU3533W8

16 more reported names

NSC-22249RefChem:86624201-991-4[1,1'-bi(cyclohexane)]-2-oneHSDB 5271EINECS 201-991-4NSC 22249BRN 1865785UNII-B3QU3533W8AI3-082462-cyclohexyl-cyclohexanone4-07-00-00248 (Beilstein Handbook Reference)[1,1'-Bi(cyclohexan)]-2-oneTox21_3027282-Cyclohexylcyclohexanone, AldrichCPRCAS-90-42-6

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External database identifiers

ChEMBL:CHEMBL3183461
EPA DTXSID:DTXSID8047424
PubMed:12630864

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 90-42-6 is used on this site

CAS 90-42-6 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 90-42-6 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.