U 1345 (OTTO) Uridine, 99% Cas 58-96-8 - used as a component of hippocampal neuron medium for culture of primary hippocampal neuron cells. U 1345 (OTTO) Uridine, 99% Cas 58-96-8 - used to study the functional complementation of nucleoside hydrolase from a protozoan parasite and mammalian uridine phosphorylase on URH1 (uridine hydrolase) of Saccharomyces cerevisiae.