Tolpyralate, 100 µg/ml, Acetonitrile, 1ml

2,2',3,3',4',5,5'-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

2,4-Dinitrophenol-3,5,6-d3, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-75-8

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219798-67-0