A chemical radical or group derived from acetone, used in organic chemistry to describe molecular structures.
From acetone combined with the suffix -yl (indicating a chemical radical or group), following nomenclature for identifying reactive chemical fragments.
In chemistry, radicals like acetonyl are like molecular Lego blocks—they're fragments that chemists use to build larger compounds, and by naming them with -yl, chemists create a mental map of how complex molecules are assembled from simpler pieces.
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