bis(Chloromethyl) ether

4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml

ß-glucuronidase-arylsulfatase mix from ocean-fresh Red Abalone

U{13C17}-Aflatoxin G2, 0.5µg/ml, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.