Sampling Standard Solution, in Nonane/1.6% toluene, 1,2ml

1,1,1,2-Tetrafluoroethane, 20mg/mL in MeOH, 1ml

ICP Mix #2-1

Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 519-32-4