2,2',4,4'-Tetrahydroxybenzophenone, 500mg Back Catalog number: 682235 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8-B-23-CDF 8-Bromo-2,3-dichlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request C12377900 3,3´-Dichlorobenzidine, 100mg Price on request 679512 Alodane, 100 µg/ml, Cyclohexane, 1ml Price on request