CAS 143141-23-5 appears in our catalog under these names: 1-(Benzenesulfonyl)pyrrolo[2,3-b]pyridine, 97%, 1-(Phenylsulfonyl)-7-Azaindole, >97%, >97%, 1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine, 98%. Offered by: Combi-blocks, Chemat, Fluorochem. Available pack sizes: 25g, 5g, 1g, 100g.