[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Back Catalog number: MDD-0 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 90128R Aroclor 1254 Price on request PN-1S 1-Chloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request DF-1239-S 1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request