Sulfamethoxazole EP Impurity D

Sulfamethoxazole EP Impurity D product with CAS: 121-57-3 is also known as Sulfanilic Acid. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. Sulfamethoxazole EP Impurity D is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Sulfamethoxazole and its related formulations. Moreover, Sulfanilic Acid is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.