Rilpivirine acid impurity

Rilpivirine acid impurity product with CAS: NA is related to Rilpivirine. It is also known with other names such as p-(4-{4-[(E)-2-Cyanoethenyl]-2,6-xylidino}-2-pyrimidinylamino)benzoic acid; . Rilpivirine acid impurity used for Abbreviated New Drug Application (ANDA) & DMF filing to FDA, toxicity study of respective drug formulation, Quality Control (QC), and analytical studies during commercial production of Rilpivirine.