CAS 590357-06-5 appears in our catalog under these names: 1-[(2,3,4,5,6-Pentamethylphenyl)sulfonyl]piperidine-4-carbohydrazide, 95%, 1-((2,3,4,5,6-Pentamethylphenyl)sulfonyl)piperidine-4-carbohydrazide, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.