CH5447240 is an effective Human Parathyroid Hormone Receptor 1 (hPTHR1) Agonist for the treatment of Hypoparathyroidism. CH5447240 showed a potent in vitro hPTHR1 agonist effect (EC20: 3.0 nM; EC50: 12 nM). It showed 55% oral bioavailability and a signifi