2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72342 1-(3,5-Dichlorophenyl)-3-methylurea Price on request 90689 Diethyl phthalate Price on request 73528 3-Phenoxybenzoic acid Price on request