Formothion, 10.0 µg/ml, Cyclohexane, 10ml

p-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml

Caffeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-08-2

4,4''-Dinitro-p-terphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3282-11-9