Theophylline-13C2d6, 1mg

6-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17579-79-2

2,2',5,6'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41464-41-9

Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane