2,2',4,4'-Tetrahydroxybenzophenone, 500mg Back Catalog number: 682235 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DD-12478-S 1,2,4,7,8-Pentachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 24P-DDE 1,1-Dichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethene, 1.2mL x 100ug/mL, nonane Price on request 2037.8-50-ME Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1 Price on request