Purity: conforms (Formulation, GC)
Legal Information: ÄKTA is a registered trademark of Cytiva
Other Notes: Cap A solution, containing acetonitrile (ACN) and N-methylimidazole (NMI), is mixed in situ with Cap B1 and Cap B2 solution during the capping (acetylation) reaction. Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.