CAS 56813-20-8 appears in our catalog under these names: 6-Methyl-1H-indole-2-carbaldehyde, 6-Methyl-1H-indole-2-carbaldehyde 95%, 6-Methyl-1H-indole-2-carbaldehyde, 95%, 95%, 6-Methyl-1h-indole-2-carbaldehyde, 97%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 100mg, 250mg, 5g.