Sitagliptin is an oral antihyperglycemic drug (antidiabetic drug) which is a member of dipeptidyl peptidase-4 (DPP-4) inhibitor class. This enzyme-inhibiting drug is used either alone or in combination with other oral antihyperglycemic agents (such as metformin or a thiazolidinedione) for treatment of diabetes mellitus type 2. Synthink is a most trusted source of Sitagliptin Degradation Impurity, Sitagliptin Genotoxic impurity, Sitagliptin Process Impurity, USP related compound, Sitagliptin Nitrosamine impurity, N-Nitroso impurity etc. which are listed on this page.