4-Ethylphenol-d4-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 100-58-8

2,3,5-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,

Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 519-32-4

2-Fluorobiphenyl, 2000 ng/µl, 1ml