Cyclo(his-pro) (TFA) (Standard) is the analytical standard of Cyclo(his-pro) (TFA). This product is intended for research and analytical applications. Cyclo(his-pro) TFA (Cyclo(histidyl-proline) TFA) is an orally active cyclic dipeptide structurally related to tyreotropin-releasing hormone[1]. Cyclo(his-pro) TFA could inhibit NF-kappaB nuclear accumulation. Cyclo(his-pro) TFA can cross the brain-blood-barrier and affect diverse inflammatory and stress responses[2].