Rapamycin CAS 53123-88-9
An immunosuppressant drug used to prevent rejection in organ transplantation, and especially useful in kidney transplants. Rapamycin is a macrolide first discovered as a product of the bacterium Streptomyces hygroscopicus in a soil sample from an island called Rapa Nui, better known as Easter Island.1
1. Pritchard, D. I. Drug Discovery Today 2005, 10, 688–691.
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