CAS 37470-83-0 appears in our catalog under these names: 5-Ethyl-2,4-dihydroxybenzaldehyde 95%, 5-Ethyl-2,4-dihydroxybenzaldehyde, 95%, 95%, 5-Ethyl-2,4-dihydroxybenzaldehyde, 98%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g.