CAS 26176-22-7 appears in our catalog under these names: 2-(1H-Pyrrol-1-yl)-5,6-dihydro-4h-cyclopenta[b]thiophene-3-carboxylic acid, 95%, 2-(1H-Pyrrol-1-yl)-4H,5H,6H-cyclopenta(b)thiophene-3-carboxylic acid. Offered by: Combi-blocks, Biosynth. Available pack sizes: 5g, 1g, 250mg, 10g, 0,5g.