... formula: C16H15F6N5O.H3PO4.H2O Use: Oral Type 2 Diabetes Sitagliptin phosphate monohydrate is a white to off-white, crystalline, non-hygroscopic ... in ethanol, acetone, and acetonitrile; and insoluble in isopropanol and isopropyl acetate.CAS No: 654671-77-9Chemical name: 7-[(3R)-3 ... 3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine phosphate monohydrateMolecular formula: C16H15F6N5O.H3PO4.H2O Sitagliptin ...