2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 2979.7-100-CY Aldicarb sulfone Price on request 10298.12-10MG Octabromodiphenyl ether, techn. Price on request 52310 Calcium Nitrate Modifier Price on request