D6-Benzene, 2000 µg/ml, Methanol, 1ml

Nifursol, 100mg

Pure ß-Glucuronidase from overexpressing recombinant E. coli ,>50,000 u/ml,50% aqueous glycerol soln,5mL

Propoxyphene-d5 hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.