Paraoxon-methyl, 100µg/ml in Acetonitrile, 5ml

2,2',3,4',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

1,2,4,5-Tetrachlorobenzene, 250mg

3-Chloropropane-1,2-di(heptafluoro)butyrate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.