Paraoxon-methyl, 10 µg/ml, Acetonitrile, 10ml

Methyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 362049-51-2

1,3,5-Trichlorobenzene, certified, 0.25g

o-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5142-76-6