Coumaphos, 100 µg/ml, Acetonitrile, 1ml

beta-Cypermethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 65731-84-2

Ochratoxin A, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 303-47-9

4-Nitrodiphenylamine