o   Characterization of selected form (salt or neutral form) – DSC, TGMS, HSM, XRPD, FTIR/Raman

o   Stability stress studies temperature/ humidity, photostability – climate chambers, XRPD with hot-humidity stage, DVS, TGMS

o   Karl Fisher

o   Crystal habit microscopy, particle size and shape, surface area

o   Dissolution behavior (intrinsic dissolution)

o   Common Ion effect