(1R,3S,5R)-tetramethyl 2,6-dioxobicyclo[3.3.1]nonane-1,3,5,7-tetracarboxylate; CAS No.: 315207-70-6. ChemShuttle is a premier provider of building blocks like (1R,3S,5R)-tetramethyl 2,6-dioxobicyclo[3.3.1]nonane-1,3,5,7-tetracarboxylate. Our chemical synthesis company emphasizes quality and scalability.