2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 66128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M312520 6a-Methyl Hydrocortisone 21-Acetate, 50mg Price on request 10453.19-100MG Diphenyltolyl phosphate, techn.,neat,neat,100mg, Price on request 8911.14-100-T 3-Methyl-2,2',4,6'-tetrachlorodiphenylmethane Price on request