CAS No.:60731-46-6

Molecular formula: C148H244N42O47

Elcatonin is a calcitonin derivative used as an anti-parathyroid agent.

It is transformed from eel's calcitonin by changing the S-S bond into a stable C-N bond. It inhibits the absorption and autolysis of bones and thus leads to lowering of blood calcium. It inhibits bone salts from dissolving and transferring and promotes the excretion of calcium and phosphorus in the urine. It inhibits renal tubules reabsorbing calcium, phosphorus and sodium and keeps blood calcium at a normal level.[citation needed] It is mainly used for remitting or eliminating pain caused by osteoporosis.[1][2]

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