It is used in pharmaceutical research analytical method development and validation stability studies and routine quality control testing of abrocitinib drug substances and drug products.

Its primary purpose is to facilitate the identification quantification and control of impurities in abrocitinib to ensure the drug meets quality safety and regulatory requirements.

Abrocitinib Impurity 14 is a process-related or degradation-related impurity associated with the pharmaceutical drug abrocitinib and is used as an analytical reference standard during drug development and quality testing.