Coumachlor, 250mg

2,4,5-Trimethylaniline, 100 µg/ml, Methanol, 5ml

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

9,10-Dimethylanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 781-43-1