1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

n-Octacosane, ?13C: -29.85, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 630-02-4

2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Ethyl acetate, 1g