PCB No. 8 certified, 25mg

Paraxanthine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 611-59-6

5,5'-Difluoro-3,3',4,4'-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

1,3,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane