3,5,6-trichloro-2-pyridinol(4,5,6-13C3, 99%) cp 97%, 100µg/ml in Acetonitrile, 1,2ml

1,2,3,4,7-Pentachlordibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Hexachlorobenzene-13C6

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL in MeOH, 1ml