CAS 25513-93-3 appears in our catalog under these names: 3-Methylpyrazine-2-carbaldehyde 97%, 3-Methylpyrazine-2-carbaldehyde, 97%, 3-Methylpyrazine-2-carbaldehyde, 97%, 97%. Offered by: Ambeed, Fluorochem, Chemat. Available pack sizes: 100mg, 250mg, 1g, 5g.