2,3,5,6-Tetrachlorophenol, 10.0 µg/ml, Cyclohexan

Heliotrine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 303-33-3

Coumarin, certified, 0.25g

Trimethyltin chloride, 1000 µg/ml, Methanol, 5ml