2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 63188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended SC-492213 4'-Aminoazobenzene-4-sulphonic acid, 1g Price on request 675828 Desmetryn, 100 µg/ml, Toluene, 5ml Price on request 2538.14-K-ME Naproxen Price on request