CAS 86516-36-1 appears in our catalog under these names: 1-(5-Dimethylaminonaphthalene-1-sulfonyl)piperazine, 97%, 97%, 1-Dansylpiperazine 97%, N,N-dimethyl-5-(piperazin-1-ylsulfonyl)naphthalen-1-amine, 97%. Offered by: Chemat, Ambeed, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g.