Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

Triazophos, 100 µg/ml, Toluene, 1ml

Caffeic Acid Methyl Ester, >95%, 250mg

n-Pentyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6521-29-5