CAS 899703-25-4 appears in our catalog under these names: 1-(1H-Imidazol-4-ylsulfonyl)piperidine-3-carboxylic acid, 95%, 1-((1H-Imidazol-4-yl)sulfonyl)piperidine-3-carboxylic acid, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 10g, 5g, 1g.