Methyl quinoxaline-2-carboxylate

1,2,7,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Phenol-2,3,4,5,6-d5, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 4165-62-2

1-Nitroperylene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35337-20-3