Displaying 31 results of Indazole Impurities Indazole is a heterocyclic aromatic organic compound that is widely used in the pharmaceutical industry as a key building block for the synthesis of drugs. However, the production of indazole can sometimes lead to the formation of impurities, which can negatively impact the purity and efficacy of the final product. Indazole impurities can be formed through various chemical reactions and can be difficult to remove during the purification process. Therefore, it is important to monitor and control the formation of indazole impurities in order to ensure the quality of the final product.