2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 70045 Bromobenzene Price on request 673332 Isoproturon, 10.0 µg/ml, Acetonitrile, 10ml Price on request 14185-50AN5 PAH - Mix 18, 50µg/ml in Acetonitrile, 5ml Price on request