tetrachlorobenzene 2,3,5,6-tetrachlorobiphenyl CAS:33284-54-7 A tetrachlorobiphenyl that is biphenyl in which one of the phenyl groups is substituted by chlorines at positions 2, 3, 5, and 6. 289.92236 InChI=1S/C12H6Cl4/c13-8-6-9(14)12(16)10(11(8)15)7-4-2-1-3-5-7/h1-6H chebi_ontology C12H6Cl4 2,3,5,6-tetrachloro-1,1'-biphenyl 291.98684 PCB 65 BLAYIQLVUNIICD-UHFFFAOYSA-N CHEBI:34224 Clc1cc(Cl)c(Cl)c(-c2ccccc2)c1Cl 0 2,3,5,6-Tetrachlorobiphenyl KEGG:C14363 1,1'-Biphenyl, 2,3,5,6-tetrachloro- tetrachlorobiphenyl