Tetrachlorvinphos, 100 µg/ml, Acetonitrile, 5ml

2,2',3,4',5,6,6'-Heptachlorobiphenyl (188)

Heneicosanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2363-71-5

Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg