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.
Ishiyama J, et al. Production of 3',5'-cyclic adenylic acid with micro-organisms. US Patent 3,630,842 dated Dec 28 1971
Ishiyama J, Yokotsuka T. Process for producing cyclic-3,5-cytidylic acid by fermentation. US Patent 3,926,725 dated Dec 16 1975
