CAS 872139-22-5 appears in our catalog under these names: 2-Phenylpiperazine dihydrochloride, 95%, 2-Phenylpiperazine Dihydrochloride, 2-Phenylpiperazine DiHCl, 95%, 95%. Offered by: Combi-blocks, TRC, Chemat. Available pack sizes: 1g, 10g, 5g, 100mg, 500mg, 50mg.