2-Deoxy-2-fluoro-D-glucose-13C6- 6-Phosphate Dipotassium Salt is the labeled analogue of 2-Deoxy-2-fluoro-D-glucose 6-Phosphate Dipotassium Salt, which is used as a substrate by 2-deoxy-scyllo-inosose synthase (DOIS) where fluorine acts as a hydrogen-bond acceptor.