2'-Deoxyadenosine-5'-triphosphate-15N5,d14 (dATP-15N5,d14) dilithium is deuterium and 15N labeled 2'-Deoxyadenosine-5'-triphosphate (HY-136648). 2'-Deoxyadenosine-5'-triphosphate (dATP) is a nucleotide used in cells for DNA synthesis (or replication), as a substrate of DNA polymerase.