Description Application 3-Hydroxypiperidine hydrochloride was used for the on-line analysis and solution phase synthesis of Ugi multicomponent reaction (MCR) products using miniaturised-SYNthesis and Total Analysis System (μSYNTAS). Reactant for synthesis of: Istaroxime analogues as Na+, K+ - ATPase inhibitors Nitric oxide formation inhibitors Selective CC chemokine receptor-3 antagonists Oxygenated carbolines α-lithioallyl amides Reactant for highly chemoselective reductive amination of carbonyl compounds Packaging 5 g in glass bottle