3-Pentanone

2,3-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

3,3',4,4',5-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 57465-28-8

Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml