pyridylacetic acid and its Impurities

pyridylacetic acid is a monocarboxylic acid that is acetic acid substituted by a (pyridin-3-yl) group. It is a metabolite of nicotine and other tobacco alkaloids. It has a role as a human xenobiotic metabolite. Reference standards of Pyridylacetic Acid API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.