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 673205 Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml Price on request 71590 Vanillin Price on request 675404 3-Methylphenol, 500mg Price on request