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Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Chen SST, et al. Microorganism for producing C-31 desmethyl FR-900520 cyclic hemiketal immunosuppressant agent. US Patent 5,198,358 dated Mar 30 1993
Kaplan L, et al. C-31 methylated FR-900520 cyclic hemiketal immunosuppressant agents. US Patent 5,149,701 dated Sep 22 1992
Morisaki M, Arai T. Identity of immunosuppressant FR-900520 with ascomycin. J. Antibiot. 45: 126-128, 1992. PubMed: 1372308
