Lacosamide-d3 (Acetyl-d3) is a deuterated compound of Lacosamide. Lacosamide has a CAS number of 175481-36-4. Lacosamide is a functionalized amino acids. Lacosamide modulates sodium channels in a novel manner: It selectively enhances sodium channel slow inactivation with no effects on fast inactivation Lacosamide has demonstrated antiepileptic effectiveness in different rodent seizure models and antinociceptive potential in experimental animal models that reflect distinct types and symptoms of neuropathic as well as chronic inflammatory pain.