D12-Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml

1-Ethyl-3-methylbenzene (3-ethyltoluene, m-ethyltoluene), 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 620-14-4

Chlorotoluron-desmethyl, 100 µg/ml, Acetone, 1ml

Gentian (Crystal) Violet