Phorate-sulfone, 100 µg/ml, Cyclohexane, 1ml

Caffeine for system suitability, 10mg

2-Amino-5-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 121-88-0

4-n-Heptylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1987-50-4