2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 682655 Ethyl chloroacetate, 1000mg Price on request 82492 EPA Method 8240A Mix #2 Price on request 94587 PCB Congeners 1000 ppb Price on request