Linagliptin EP Impurity C is used as a pharmaceutical reference standard for the identification and quantitative analysis of impurity C during the quality control and stability testing of linagliptin drug substances and drug products.

The purpose of Linagliptin EP Impurity C is to ensure that the impurity level in linagliptin complies with the specifications established by the European Pharmacopoeia thereby helping to ensure the safety quality and consistency of the medicine.

Linagliptin EP Impurity C is a specified organic impurity of linagliptin that is supplied as a certified reference standard and is used in analytical methods such as high-performance liquid chromatography (HPLC) for pharmaceutical quality testing.