Dequalinium chloride, 500mg

Theophylline-d6 (dimethyl-d6), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 11790-39-8

Sodium perfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol

Phorate-d10 (O,O-diethyl-d10), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 298-02-2