1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Back Catalog number: MDD-12389 Availability: In the manufacturer's stock Price on request - + Recommended 90224 Internal Standard Solution Price on request BDF-28 2,8-Dibromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 1134.14-K-IO n-Tetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-59-4 Price on request