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

Method 200.7 Single Element Kit

Simazine-d10 (diethyl-d10), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 220621-39-6

(+)-γ-1R,2R,5R,6S,9S,10R-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene