2,2',3,4,5'-Pentachlorobiphenyl

4,5,6-Trichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2668-24-8

Methylsuccinic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 498-21-5

N4-Phthalylsulfathiazole, 250mg