2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 63171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72561 Diclofop acid Price on request 675908 beta-Cyfluthrin, 100 µg/ml, Ethyl acetate, 5ml Price on request 58012 Magnesium (Mg) Price on request