3-amino-5-morpholinomethyl-2-oxazolidinone is a member of the class of oxazolidinones that is 3-amino-1,3-oxazolidin-2-one substituted by a morpholin-4-ylmethyl group at position 5. It is the metabolite of furaltadone, a broad-spectrum antibacterial drug which was widely used as an additive in livestock and aquaculture feed. It has a role as a xenobiotic metabolite and a marine xenobiotic metabolite. It is an oxazolidinone and a member of morpholines.