CAS 446831-28-3 appears in our catalog under these names: 3–(Piperazin–1–yl)benzoic Acid, 3-(Piperazin-1-yl)benzoic acid, 95%, 3-(Piperazin-1-yl)benzoic acid, 98%, 3-(Piperazin-1-yl)benzoic Acid, 95%, 95%. Offered by: GLPBio, Combi-blocks, Fluorochem, Chemat. Available pack sizes: 1g, 250mg, 5g, 10g, 100mg.