2,3,7,8-[37Cl4]-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Isonicotinaldehyde, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 872-5-5

Benzene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-43-2

2,3,3',4,5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,