2,2',3,4,4',5,5',6-Octachlorobiphenyl (203) Back Catalog number: 66203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-123789-S 1,2,3,7,8,9-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 677124 Meptyldinocap, 10.0 µg/ml, Cyclohexane, 10ml Price on request 678207 Gibberellin A4, 5mg Price on request