CAS 13637-38-2 appears in our catalog under these names: 1-METHYLINDOLINE-2-THIONE, 1-Methylindoline-2-thione 97%, 1-Methylindoline-2-thione, 98%, 1-Methylindoline-2-thione, 98%, 98%. Offered by: Sigma-Aldrich, Ambeed, Fluorochem, Chemat. Available pack sizes: 100MG, 10G, 1G, 250mg, 5g, 50mg, 500mg.