CAS 1142209-86-6 appears in our catalog under these names: (1-[(5-Bromo-2-thienyl)sulfonyl]piperidin-4-yl)acetic acid, 95%, 2-(1-((5-Bromothiophen-2-yl)sulfonyl)piperidin-4-yl)acetic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.