CAS 6012-97-1 appears in our catalog under these names: Tetrachlorothiophene, >95% (HPLC), Tetrachlorothiophene, Perchlorothiophene 96%, TETRACHLOROTHIOPHENE, 99%, Perchlorothiophene, 96%. Offered by: TRC, GLPBio, Ambeed, Sigma-Aldrich, Fluorochem. Available pack sizes: 250mg, 1g, 25g, 5g, 100g.