MW: 380.3. Purity >98%. C11H14N6O6P.Na; MW 380.3; lambdamax 273 nm; epsilon 15000; sodium salt, purity > 98% HPLC. For other salt forms or metabolites please inquire. Site-selective cyclic AMP analogue with similar affinity to site B of both protein kinase A type I and II. Priming analogue which acts synergistically together with analogues showing site A preference. Together with e.g. 8-PIP-cAMP selective stimulation of type I can be achieve