The chemical Protirelin has a designated molecular formula of C16H22N6O4 and a molecular weight of 362.390 g/mol. Synonyms may include: CCRIS 2593, EINECS 246-143-4, FDA 1725, Lopremone, Protirelina [INN-Spanish], Protireline [INN-French], Protirelinum [INN-Latin], L-Pyroglutamyl-L-histidyl-L-prolineamide, Rifathyroin, Ro 8-6270/9, Synthetic TRH, Synthetic tsh-releasing factor (ChemID).