Tolyltriazole, certified, 0.1g

Tetrachloro-m-xylene, 1000μg/ml in MeOH, 1ml

Benzo[k]fluoranthene, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 207-08-9

Labelled Compounds Stock Solution, 1.2ml, toluene