CAS 898139-97-4 appears in our catalog under these names: 1-[(2,5-Dimethylphenyl)sulfonyl]piperidine-4-carbohydrazide, 95%, 1-((2,5-Dimethylphenyl)sulfonyl)piperidine-4-carbohydrazide, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g, 250mg.