2,2’,5,5’-Tetrachlorobiphenyl (52) Back Catalog number: 66052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A13711017AL-100 Flufenacet-ethane sulfonic acid (ESA) sodium, 100µg/mL in Acetonitrile, 1ml Price on request 677014 Formothion, 10.0 µg/ml, Cyclohexane, 10ml Price on request 62221 Aroclor 1221 in Transformer Oil Price on request