2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187) Back Catalog number: 66187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73531 n-Triacontanol Price on request 10622.13-100MG Niflumic acid Price on request 678009 Terbufos-sulfone, 100 µg/ml, Toluene, 1ml Price on request