Silica (SiO2)

2,2',3,4,4',5',6-Heptabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 764661-24-7

2,4,5-Trichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 95-95-4