CAS 56674-88-5 appears in our catalog under these names: methyl (1s,3R,5S,7s)-4-oxoadamantane-1-carboxylate, 95%, Methyl 4–oxoadamantane–1–carboxylate, 4-Oxo-adamantane-1-carboxylic acid methyl ester. Offered by: Combi-blocks, GLPBio, Biosynth. Available pack sizes: 5g, 1g, 100mg, 250mg.