2,2',4,4'-Tetrahydroxybenzophenone, 500mg Back Catalog number: 682235 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 38178 Aldehyde Test Mix Price on request 684366 Buturon, 100 µg/ml, Acetonitrile, 5ml Price on request A150804-1MG Acetamiprid-N-desmethyl-13CD3, 1mg Price on request