Sodium perfluoro-6-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol

4-Chlorobenzyl mercaptan

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

1-Chloro-3-nitrobenzene, 1000µg/ml in MeOH, 1ml