2-Deoxyadenosine-5-triphosphate-13C10 (dATP-13C10) dilithium is 13C-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.