Thermo Scientific dNTP Set is a convenient set of 100 mM aqueous solutions of each of dATP, dCTP, dGTP and dTTP, supplied in separate vials. The solutions of these extremely stable nucleotides are titrated to pH 7.3-7.5 with NaOH. The nucleotides have greater than 99% purity, are free of nuclease activities, human and E. coli DNA. They are designed for many different molecular biology applications.