4-Hydroxy-4-methyl-2-pentanone, certified, 5ml

3-Hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63019-39-6

(-)-Nicotine, 500mg

Demeton-S-methyl-sulfone, 100 µg/ml, Toluene, 1m