Benzidine, 100 µg/ml, Acetonitrile, 1ml

Methyldodecanoate C12:0, 10mg/ml in Hexane, 1ml

Endosulfan II

1,2,3,4,7,8-Hexachlorodibenz-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.