2,2',4,4'-Tetrahydroxybenzophenone, 500mg Back Catalog number: 682235 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 95574 CLP SOM 01.1DMC Volatiles Liquids Price on request 8577-100MG Triton X-114, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request 19094 EPA Method 601 Internal Standard Price on request