Formaldehyde-DNPH Level 3 (1.0ug/mL)

1-Bromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Parathion-ethyl, 100µg/ml in Acetonitrile, 5ml

d2 C27 ??? (20R)-Cholestane,neat,neat,25mg