4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 674799 PSA-GCB-Mix 16 Price on request 10232.14-100MG 2-Hydroxy-4-methoxybenzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-57-7 Price on request 94476 Piperonyl butoxide Price on request