1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Back Catalog number: MDD-12479 Availability: In the manufacturer's stock Price on request - + Recommended 97279 Aliphatic Internal Standard Price on request 63054 2,2’,6,6’-Tetrachlorobiphenyl (54) Price on request 10614.2-100-ME O,O-Dimethylhydrogenphosphate-13C2 , sodium salt Price on request