CAS 243-28-7 appears in our catalog under these names: 2,3–Benzcarbazole, 5H-Benzo[b]carbazole, >95.0%(HPLC)(qNMR), 5H-Benzo[b]carbazole 95%, 5H-Benzo[b]carbazole, 95%, 95%, 5H-Benzo[b]carbazole, 98%. Offered by: GLPBio, TCI, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 10g, 15g.