2-Propyl-N-[(3S)-tetrahydro-2-oxo-3-furanyl]-1,3-dioxolane-2-acetamide is an intermediate in synthesizing N-(Ketocaproyl)-L-homoserine Lactone (K180750), an autoinducer of P. fischeri luciferase. A specific genetic regulator that is unrelated to at least one of the enzyme systems that it induces, and it acts after excretion and accumulation in the extracellular medium.