2,7-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1,2-Dimethylnaphthalene, certified, 50mg

Malonic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 141-82-2

4-Amino-5-fluoro-PCB-163, Please inquire, Solvent-, Unit , # of units-, Cas.no.