Empirical Formula (Hill Notation): C15H23NO4, Molecular Weight: 281.35, Synonym: 3-[2-(3,5-Dimethyl-2-oxocyclohexyl)-2-hydroxyethyl]glutarimide, Actidione, Naramycin A, from microbial, ≥94% (TLC). In yeast strains, cycloheximide has been used as a protein synthesis inhibitor in the cycloheximide chase experiment. It has been used to inhibit translation in mammalian cells. It has been used to suppress fungal growth.