Name: METHOD 1613 LABELED COMPOUND Isotope :STOCK SOLUTION Catalog Number :EDF-8999 Quantity :500 UL Formula :no formula is available. Categories :Dioxin & Furan Mixtures (DFM), US EPA Method Mixtures (E) 2,3,7,8-TetraCDD(13C12,99%).100ng/mL 1,2,3,6,7