Arsenic (As)

17 alpha(H),21 alpha(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 105498-25-7

Caffeic acid, >98%, 20mg

1-Methylpyrene-d9, neat, Solvent-toluene, Unit 10mg, # of units-1, Cas.no. 210487-07-3