4-Hydroxy-2',3,5,5'-tetrachlorobiphenyl, 10mg

Atrazine, 100µg/mL in Acetonitrile, 1ml

Propham

9-Nitroanthracene-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 220381-38-4