PCB Isomer Standard, 100µg/ml in Isooctane, 1ml

Methylparaben, 100 µg/ml, Acetonitrile, 5ml

2,3',4',5',6-Pentachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 74472-39-2

Benzidine