ChEBI: 3',5'-cyclic AMP(1-) is an organophosphate oxoanion that is the conjugate base of 3',5'-cyclic AMP arising from deprotonation of the free phosphate OH group; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a 3',5'-cyclic AMP.