5-TAMRA cadaverine is the purified single isomer of 5(6)-TAMRA cadaverine mixture. It is preferred for some complicated biological applications where reproducibility is more critical than material cost since the minor positional difference between 5-isomer and 6-isomer might have biological implications.
Nurminskaya MV and Linsenmayer TF (2002). Immunohistological analysis of transglutaminase factor XIIIA expression in mouse embryonic growth plate. J Orthop Res 20, 575-8; Olorundare OE, et al. (2001). Assembly of a fibronectin matrix by adherent platelets stimulated by lysophosphatidic acid and other agonists. Blood 98, 117-24.