Pentachlorophenol

n-Heneicosane-d44, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 39756-37-1

Pencycuron

n-Docosane, ?13C: -30.35, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-97-0