Adenosine- 3', 5'- cyclic monophosphorothioate, Rp- isomer (Rp-cAMPS), economy grade from MyBioSource.com

C₁₀H₁₁N₅O₅PS¢C₆H₁₆N; MW 446.5; lambda_max 259 nm; epsilon 15200; triethyl ammonium salt; purity > 98% HPLC. Competitive inhibitor of protein kinase A type I and II (cyclic AMP antagonist). Prefers type II of protein kinase A. Resistant against mammalian cyclic nucleotide-dependent phosphodiesterases. This product corresponds to common quality offered elsewhere. Rp-cAMPS is also available in a highly purified form as sodium salt (A 002 S High Purity Grade )