[D-Lys16]-ACTH (1-24)

(D-Lys16) -ACTH (1-24) is the reaction product with gadolinium tetraazacyclododecanetriacetate derivative. (D-Lys16) -ACTH (1-24) involves in preparation of tetraazacyclododecane macrocycle metal complexes for production of conjugates with biomolecules and for use as NMR contrast agents, radiodiagnostic agents and for radioresearch.