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CAS 2432-91-9

CAS 2432-91-9 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 2432-91-9

CAS 2432-91-9PubChem CID 102815

Butanethioic acid, 3-methyl-, S-(1-methylpropyl) ester

IUPAC name: S-butan-2-yl 3-methylbutanethioate

Molecular formula: C9H18OS
Molecular weight: 174.31 g/mol
Exact mass: 174.10783637 Da
XLogP3: 3.2
Topological polar surface area: 42.4 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

sec-Butyl thioisovalerateS-sec-Butyl 3-methylbutanethioateS-sec-Butyl thioisovaleratesec-Butyl 3-methylbutanethioateS-sec-ButylthioisovalerateS-1-Methylpropyl 3-methylbutanethioateEINECS 219-416-0RefChem:571299

6 more reported names

219-416-0S-(1-Methylpropyl) 3-methylbutanethioate3-methylbutanethioic acid S-butan-2-yl esterS-(Butan-2-yl) 3-methylbutanethioateS-(Sec-butyl) 3-methylbutanethioate #Butyric acid, 3-methy,lthio-, S-sec-butyl ester

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External database identifiers

EPA DTXSID:DTXSID80862941

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 2432-91-9 is used on this site

CAS 2432-91-9 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 2432-91-9 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.