2,2'-Dihydroxy-4-methoxybenzophenone, 250mg Back Catalog number: 682236 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 81203 EPA Method 8121 Internal Standard Price on request 71161 4,4’-Methylenedianiline Price on request 94075 PCB/Pesticide Standard Price on request