2,6-Dibromophenol, Internal Standard Stock Solution Cat. No. 2472.6

Pholcodine-N-oxide 1, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 433308-89-5

4,4'-DDE, 100 µg/ml, Methanol, 1ml

PCB Congener Mix, 100µg/ml in Isooctane, 1ml