Paraoxon-methyl, 100 µg/ml, Toluene, 5ml

2,3,3',4-Tetrahlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74338-24-2

Dibenzo-p-dioxin-d8,50 µg/mL,n-nonane,1mL,

Protopine, >98%, 20mg