Perfluorohexanesulfonic acid; PFHxS, 95%, 250mg Back Catalog number: 6164-3-2T:250MG Availability: In the manufacturer's stock Price on request - + Recommended 3735.12-100-IO 3,4,4'-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-90-5 Price on request 678349 Methoxychlor, 100 µg/ml, Ethyl acetate, 5ml Price on request 673526 Chlorpyrifos, 100 µg/ml, Ethyl acetate, 5ml Price on request