Metolachlor ESA-d6 Sodium Salt, 1mg

4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml

2,2',6,6'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 15968-05-5

5-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3697-24-3