Nervonic acid-d18 (Selacholeic acid-d18) is the deuterium labeled Nervonic acid (HY-N2526). Nervonic acid is a monounsaturated fatty acid with oral activity. Nervonic acid exerts anti-inflammatory activity by inhibiting NF-kappaB signaling. Nervonic acid can be used in the study of neurodegenerative diseases[1][2][3].