4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodo-benzenemethanol is an?impurity of?Levothyroxine Sodium (T425601), a synthetic hormone that mimics a thyroid hormone secreted by the follicular cells to regulate a wide range of metabolic events in the human body. Levothyroxine Sodium is?used to treat hypothyroidism.
