CAS 34047-39-7: 4-(Methylthio)-2-butanone

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

4-(Methylthio)butan-2-one is a synthetic compound that is biosynthesized by the demethylation of α-pinene. This compound has hydroxyl group, which makes it capable of forming halides with other compounds. It also has an organoleptic property, as it smells like pine needles when mixed with air. The compound has a chemical composition of C5H11OS and can be found in wild-type strains and mutant strains. 4-(Methylthio)butan-2-one is used for the synthesis of isovaleric acid, which is a fatty acid that plays a role in the production of cheese flavors and smells like sweaty socks.

4-Methylthio-2-butanone