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