From an industrial perspective, it is the most important dicarboxylic acid, mainly as a precursor for the production of nylon.

Methyl Ergoline Acid, an ergoline derivative, can be used as chemokine receptor ligands.

Irilone has immunomodulatory, and α-amylase inhibitory activities, it exhibits the selective inhibition toward CYP3 A4 rather than other major human CYPs.