CAS 63698-83-9 appears in our catalog under these names: 1-Piperidinesulfonyl fluoride 98%, 1-Piperidinesulfonyl fluoride, 98%, 98%, Piperidine-1-sulfonyl fluoride, 98%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 1g, 5g, 10g, 100mg, 50mg, 500mg, 2.5g.