PCB Congeners & Hexachlorobenzene Mix #4

2-Propyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

4-Dimethylaminoazobenzene

4,4'-Dibromobenzophenone, 100 µg/ml, Acetonitrile