CAS 183322-53-4 appears in our catalog under these names: 5-Ethynyl-2-methylaniline 97%, 5-Ethynyl-2-methylbenzenamine, 95%, 95%, 5-Ethynyl-2-methylaniline, 95%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 1g, 5g, 100mg, 500mg, 2.5g, 10g.