Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

Endosulfan-II-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203716-99-8

Phorate-oxon , 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2600-69-3

Amitriptyline-d3 hydrochloride (N-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 342611-00-1