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 C15622360 Nonadecanoic acid-methyl ester, certified, 0.25g Price on request 81203 EPA Method 8121 Internal Standard Price on request 672902 Isofenphos-methyl, 50mg Price on request