CAS 16744-81-3 appears in our catalog under these names: 4-Methoxypyridine-2-carboxaldehyde, 4-Methoxypicolinaldehyde 98%, 4-METHOXYPICOLINALDEHYDE, 98%, 98%, 4-Methoxypicolinaldehyde, 95%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 100mg, 250mg, 1g, 5g, 25g, 100g, 50g.