Description_x000D_ General description_x000D_ 4-Aminophenol is an impurity of Acetaminophen, or Paracetamol as known internationally. This certified solution standard can be used for multiple HPLC applications including pharmaceutical testing, research, and Monograph testing methods. Acetaminophen belongs to a class of drugs called analgesics (pain relievers) and antipyretics (fever reducers)._x000D_ Application_x000D_ 4-Aminophenol may be used as a certified reference standard for the determination of 4-aminophenol in pharmaceutical formulations by chromatography techniques._x000D_ These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements._x000D_ Legal Information_x000D_ CERILLIANT is a registered trademark of Cerilliant Corporation