13C3-Caffeine, 100 µg/ml, Methanol, 1ml

2,7-Dichloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2198-77-8

Isovaleraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml

Phenanthrene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1517-22-2