CAS 81779-27-3 appears in our catalog under these names: 4–Hydroxy–1H–indole–3–carbaldehyde, 4-Hydroxy-1H-indole-3-carbaldehyde, 98%, 4-Hydroxy-1H-indole-3-carbaldehyde 95%, 4-Hydroxy-1H-indole-3-carbaldehyde, 99.67%, 4-Hydroxy-1H-indole-3-carbaldehyde (Standard). Offered by: GLPBio, Combi-blocks, Ambeed, MedChemExpress, Fluorochem. Available pack sizes: 10mg, 10g, 5g, 1g, 25g, 250mg, 500 mg, 1 g.