CAS 510764-95-1 appears in our catalog under these names: 4-Oxo-4-([4-(pyrrolidin-1-ylmethyl)phenyl]amino)butanoic acid, 95%, 4-Oxo-4-((4-(pyrrolidin-1-ylmethyl)phenyl)amino)butanoic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.