CAS 925199-99-1 appears in our catalog under these names: 1-(1-Ethyl-5-methyl-1h-pyrazol-3-yl)-5-oxopyrrolidine-3-carboxylic acid, 95%, 1-(1-Ethyl-5-methyl-1H-pyrazol-3-yl)-5-oxopyrrolidine-3-carboxylic acid, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.