CAS 346451-15-8 appears in our catalog under these names: 1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine dihydrochloride, 96%, Cetirizine EP Impurity D, Cetirizine Impurity D, 99%, 1,4-Bis((4-chlorophenyl)phenylmethyl)piperazine, 1,4-Bis¬alpha-(4-chlorophenyl)benzyl|piperazine dihydrochlor. Offered by: Combi-blocks, Chemat Brand, AmBeed, Mikromol, Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, 10g, 25g, 5g, on request, 100mg, 250mg, 25mg.