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CAS 42348-12-9

CAS 42348-12-9 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 42348-12-9

CAS 42348-12-9PubChem CID 528698

2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-4-methyl-

3-Ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one is a cyclic ketone. — ChEBI

IUPAC name: 3-ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one

Molecular formula: C8H12O2
Molecular weight: 140.18 g/mol
Exact mass: 140.083729621 Da
XLogP3: 1.1
Topological polar surface area: 37.3 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

3-Ethyl-4-methylcyclotene3-Ethyl-2-hydroxy-4-methyl-2-cyclopenten-1-oneRefChem:470973EINECS 255-767-62-Cyclopenten-1-one,3-ethyl-2-hydroxy-4-methyl-2-Cyclopenten-1-one, 2-hydroxy-3-ethyl-4-methylFEMA 3453CHEBI:185027

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External database identifiers

ChEBI:CHEBI:185027
EPA DTXSID:DTXSID50885864

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 42348-12-9

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How CAS 42348-12-9 is used on this site

CAS 42348-12-9 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 42348-12-9 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.