Oxalic Acid (C2H2O4)

6-Nitrobenzo[a]pyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63041-90-7

2,2',3,4,4',6-Hexabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2,3,4,5-Tetrachloroanisole