198637-63-7

(5R,6S)-2,2-Dimethyl-6-(1,4,7,10-tetraazacyclododec-1-yl)-1,3-dioxepan-5-ol is an intermediate in the synthesis of Calcobutrol (C145700), a new macrocyclic polyhydroxylated gadolinium chelate derivative which can be used as a contrast agent for Magnetic Resonance Imaging (MRI).