CAS 1020056-77-2 appears in our catalog under these names: 5-Chloro-4-iodo-1h-pyrrolo[2,3-b]pyridine, 95%, 5-Chloro-4-iodo-1H-pyrrolo(2,3-b)pyridine, 97%, 5-Chloro-4-iodo-1H-pyrrolo[2,3-b]pyridine, 97%, 97%, 5-Chloro-4-iodo-1H-pyrrolo[2,3-b]pyridine, 97%. Offered by: Combi-blocks, AmBeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 500mg, 10g.