Puromycin is an aminoglycoside antibiotic that inhibits the synthesis of protein by binding to the ribosome and disrupting translocation of tRNA during translation in non-resistant cells. Puromycin is soluble in water and is often used as a selective agent in molecular biology research. The concentration of our Puromycin solution is 10mg/ml. 1ml is usally added to 1L of cell culture media.