1. A system for producing a radiochemical, said system comprising: a particle accelerator for generating a beam of charged particles having a maximum beam power of less than, or equal to, approximately fifty (50) watts, and for directing the beam of charged particles along a path; a target positioned in the path of the beam of charged particles, said target serving to receive a target substance having a composition selected for producing a radioactive substance during interaction with the beam of charged particles; and a radiochemical synthesis subsystem having at least one microreactor and/or microfluidic chip, said radiochemical synthesis subsystem for receiving the radioactive substance, for receiving at least one reagent, and for synthesizing the radiochemical.