2,2’,4,4’,6,6’-Hexachlorobiphenyl (155) Back Catalog number: 66155 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 680329 5-Ethyl-2-thiouracil, 50mg Price on request 8640.12-50-NN 1,2-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 677184 3,3'-Dichlorobenzidine, 100mg Price on request