PCB Congeners

n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 17851-53-5

2-Nitrobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 86-00-0

Trimethoprim, >98,0%, 25g