Description [3-(4-Morpholinylmethyl)phenyl]magnesium bromide is a Grignard reagent that can be used as:A reagent in the synthesis of 6-((2-(2-chloroacetamido)ethyl)(methyl)amino)-9-(3-(morpholinomethyl)phenyl)-3H-xanthen-3-iminium (CDy5), a fluorescent chemical probe utilized in imaging neural stem/progenitor cells (NSPCs).A starting material to prepare 3-(4-morpholinylmethyl)phenol by direct oxidation using compressed air.