can anybody suggest nature of impurities in Captopril?? any good/better/best methods for recystallisation of captopril???

In my tlc with solvent system toluene:acetic acid:methanol(3:1:0.1 ratio) i m getting 2 spots for captopril sample...can anybody suggest good method of recystallisation to remove that "xtra...

08 August 2011 8,277 3 View