CAS 96124-43-5 appears in our catalog under these names: Methyl 1-benzyl-4-hydroxy-5-oxo-2,5-dihydro-1h-pyrrole-3-carboxylate, 95%, Methyl 1-benzyl-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.