CAS 620931-00-2 appears in our catalog under these names: 5-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-5-oxopentanoic acid hydrochloride, 95%, 5-(4-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)-5-oxopentanoic acid, 98%. Offered by: Combi-blocks, Chemat Brand. Available pack sizes: 1g, 5g, on request.