2-Heptanone

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What Wikipedia says

2-Heptanone, also known as methyl n-amyl ketone, or heptan-2-one, is an organic compound with the molecular formula CH3C(O)(CH2)4CH3. It is classified as a ketone. The compound is a colorless, water-like liquid with a banana-like, fruity odor. It contributes to the flavor or odor of several aspects of everyday life.

Excerpt from the Wikipedia article “2-Heptanone”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: ChemSim, Public domain, via Wikimedia Commons.