Sitagliptin Trade name： Januvia Therap-Cat: Antidiabetic Originator:  Merck & Co. Indication：diabetes mellitus type 2 First approved by USFDA in 2006 Chemical name：(R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine CAS#: 486460-32-6 Chemical structure: Intermediates of Sitagliptin: CAS# 486460-00-8 Chemical name: (3R)-3-(1,1-dimethylethoxy carbonyl)amino-4-(2,4,5-trifluorophenyl)butanoic acid Chemical structure: […]