1-Octen-3-ol is a volatile organic compound (VOC) that has been found in fungi and plants.¹ It has also been found in oxen breath and human sweat and is an attractant for Ochlerotatus, Psorophora, Anopheles, and Coquillettidia mosquitoes but a repellant for Culex mosquitoes.^1,2 1-Octen-3-ol (3 and 10 ppm) inhibits dopamine uptake in HEK cells expressing the human dopamine transporter (HEK-DAT cells).³ It induces dopaminergic neuron loss and locomotor deficits in, as well as reduces survival of, D. melanogaster when administered via inhalation at a dose of 0.5 ppm.