CAS 1571-13-7 appears in our catalog under these names: 3,4,5,6-Tetrachlorophthalimide, 96%, 3,4,5,6–Tetrachlorophthalimide, 3,4,5,6-Tetrachlorophthalimide, >98.0%(HPLC)(T), 3,4,5,6-TETRACHLOROPHTHALIMIDE, 97%, Tetrachlorophthalimide, 96%, 96%. Offered by: Combi-blocks, GLPBio, TCI, Sigma-Aldrich, Chemat. Available pack sizes: 1g, 25g, 100g, 5g, 500g, 10g.