| Solvents/Solvents Mixture | |||||
| Drugs | Water | Methnaol | Acetonitrile | KH2PO4 buffer: Methanol (60:40 %v/v) | Acetonic trile-Methanol (50:50 %v/v) |
| Saxagliptin | Sparingly soluble | Soluble | Soluble | Soluble | Soluble |
| Metformin | Soluble | Soluble | Soluble | Soluble | Soluble |