Trimethoprim, certified, 0.25g

7-Nitrodibenz[a,h]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63041-91-8

Di-n-nonyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 84-76-4

Fensulfothion-oxon, 100 µg/ml, Acetonitrile, 5ml