Our provided Sirolimus is generally obtained from Streptomyces hygroscopicus. Being a macrolide compound, this medicine acts by blocking the transcriptional activation of cytokines. This further result in ceasing the production of cytokine. The offered range gets bioactive only when it gets bind to immunophilins. The offered range is present as potent immunosuppressant as it possesses both antifungal and antineoplastic properties. The processing of Sirolimus is done in adherence to set quality norms while choosing the best quality of chemical components along with modern machinery.