2,4’-DDE, 1000µg/ml in Hexane, 1ml

2,3,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2,7-Di-tert-butylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10275-58-8

Paraxanthine, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 611-59-6