[13C12]Diphenyl ether, 1.2ml x 50ug/ml, nonane

5-Methyl-2,2',4,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Methyl arachidonate C20:4, 10.0mg/mL in Heptane, 1ml

Pentachlorophenol 13C6, certified, 10mg