gallic acid and its Impurities

Gallic acid is commonly used in the pharmaceutical industry as a standard for determining the phenol content of various analytes by the Folin-Ciocalteau assay results are reported in gallic acid equivalents. It is also known as trihydroxybenzoic acid. Reference standards of Gallic Acid API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.