CAS 439858-28-3 appears in our catalog under these names: 2–(4'–methylaminophenyl)benzothiazole, 4-(1,3-Benzothiazol-2-yl)-N-methylaniline, BTA-1 97%, BTA-1, 4-(Benzo[d]thiazol-2-yl)-N-methylaniline, 97%, 97%. Offered by: GLPBio, Biosynth, Ambeed, Sigma-Aldrich, Chemat. Available pack sizes: 5mg, 100mg, 50mg, 25mg, 250mg, 1g, 10 mg, 5 mg.