N-acetyltyramine is a metabolite of the biogenic amine tyramine (Item No. 18601).{43167} It enhances cytotoxicity of doxorubicin (Item No. 15007) in resistant P388 murine leukemia cells with an IC50 value of 0.13 ?g/ml compared with an IC50 value of 0.48 ug/ml for doxorubicin alone.