CAS 166104-19-4 appears in our catalog under these names: tert-butyl 5-nitroindole-1-carboxylate, 97%, tert-Butyl 5-nitro-1H-indole-1-carboxylate 95%, tert-Butyl 5-nitro-1H-indole-1-carboxylate, 95%, 95%, tert-Butyl 5-nitro-1H-indole-1-carboxylate, 97%. Offered by: Combi-blocks, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 5g, 1g, 25g, 100mg, 250mg.