Meprobamate and its Impurities

Meprobamate is used to treat anxiety disorders or for short-term relief of the symptoms of anxiety in adults and children 6 years of age and older. Meprobamate marketed as Miltown by Wallace Laboratories and Equanil by Wyeth, among others is a carbamate derivative. Reference standards of Meprobamate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.