Caffeine, 100 µg/ml, Methanol, 1ml

2,3-Dibromo-7,8-dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

o-Quarterphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 641-96-3

1,4-Dioxane-d8