Acetylsalicylic Acid EP Impurity A; 4-Hydroxybenzoic Acid

Acetylsalicylic Acid EP Impurity A; 4-Hydroxybenzoic Acid product with CAS: 99-96-7 is also known as 4-Hydroxybenzoic 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. It is used in Aspirin impurity profiling as per limits and threshold values specified by respective drug legislation, FDA, and pharmacopoeial guidelines. Moreover, 4-Hydroxybenzoic Acid is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.