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hexanal

n. (context organic compound English) The saturated aliphatic aldehyde having six carbon atoms

Wikipedia
Hexanal

Hexanal, or hexanaldehyde, is an alkyl aldehyde used in the flavor industry to produce fruity flavors. Its scent resembles freshly cut grass, like cis-3-hexenal.

Synthesis of Hexanal was published in 1907 by P. Bagard.