2,4,6-Tribromophenol, 100 µg/ml, Methanol, 1ml

2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Riboflavin-13C,15N2, 1mg

ß-glucuronidase from ocean-fresh Red Abalone, >100,000 u/ml, 25ml