N-Desmethylnefopam D5 hydrochloride is a deuterium labeled N-Desmethylnefopam hydrochloride. N-Desmethylnefopam hydrochloride is the main metabolite of Nefopam. N-Desmethylnefopam hydrochloride is a centrally-acting but non-opioid analgesic agent, for the relief of moderate to severe pain[1].
[1]. Mittur A. A Simultaneous Mixed-Effects Pharmacokinetic Model for Nefopam, N-desmethylnefopam, and Nefopam N-Oxide in Human Plasma and Urine. Eur J Drug Metab Pharmacokinet. 2018 Aug;43(4):391-404.
















