beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

Dibenzo[a,i]pyrene-d14, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 158776-07-9

Bromuconazole, 10 µg/ml, Cyclohexane, 10ml

3,3',5,5'-Tetrabromobisphenol S dimethyl ether,50 µg/mL ,toluene,1mL