2,2',4,4'-Tetrahydroxybenzophenone, 500mg Back Catalog number: 682235 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended NK-CVS-J PCDD & PCDF Calibration Kit, 6 x 200ul, nonane Price on request 3369.8-100-CY Dicamba Price on request 58323 Vanadium (V) Price on request