Pemetrexed EP Impurity A

Pemetrexed EP Impurity A product with CAS: 869791-42-4 is also known as Pemetrexed BP Impurity A. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. It is used in Pemetrexed impurity profiling as per limits and threshold values specified by respective drug legislation, FDA, and pharmacopoeial guidelines. Moreover, Pemetrexed BP Impurity A is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.