1-Butanol, certified, 5ml

Metformin hydrochloride, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 1115-70-4

Silicon (Si)

d18-γ-1,2,5,6,9,10-Hexabromocyclododecane, 50µg/ml in Toluene, 1,2ml