L-Thyroxine-N-methylamide is a potential impurity found in commercial preparations of the synthetic thyroid hormone form L-thyroxine .1
1.Panmanad, D., Joshi, M.S., Patil, R., et al.Synthesis and characterization of potential impurities in levothyroxineChem. Sci. Trans.5(4)1082-1089(2016)
















