2,2',4,4'-Tetrahydroxybenzophenone, 500mg Back Catalog number: 682235 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94162 GSES Standard 2006 Sub 2 Price on request 675567 Ethalfluralin, 100 µg/ml, Ethyl acetate, 5ml Price on request 1983.4-K-5ME Mono-n-butyltin trichloride, 1000µg/mL, Solvent-methanol, Unit 5mL, # of units-1, Cas.no. 1118-46-3 Price on request