2,6-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane

Isoproturon D6 (dimethyl D6), 1000µg/mL in Acetonitrile, 1ml

3-Chloro-2-nitrobenzoic Acid, >98%, 5g

Tetrachloroethene, 1000 µg/ml, Methanol, 1ml