CAS 899703-32-3 appears in our catalog under these names: 1-[(1,3,5-Trimethyl-1h-pyrazol-4-yl)sulfonyl]piperidine-3-carboxylic acid, 95%, 1-((1,3,5-Trimethyl-1H-pyrazol-4-yl)sulfonyl)piperidine-3-carboxylic acid, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.