Mesalamine impurity S

Mesalamine impurity S product with CAS: 1797983-23-3 is also known as 2-hydroxy-5-[(2-carboxy-4-aminophenyl)amino]benzoic acid; N-(2-carboxy-4-aminophenyl)-5-aminosalicylic 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). Mesalamine impurity S is used in Mesalamine impurity profiling as per limits and threshold values specified by respective drug legislation, FDA, and pharmacopoeial guidelines during commercial production of Mesalamine and its related formulations. Moreover, 2-hydroxy-5-[(2-carboxy-4-aminophenyl)amino]benzoic acid is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation. Please also find out other impurities of Mesalamine developed in our R&D.