CAS 488090-09-1 appears in our catalog under these names: 1-(2,1,3-Benzothiadiazol-4-ylsulfonyl)piperidine-4-carboxylic acid, 95%, 1-(Benzo(c)(1,2,5)thiadiazol-4-ylsulfonyl)piperidine-4-carboxylic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.