4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675826 Aclonifen, 100 µg/ml, Toluene, 5ml Price on request 93185 Internal Standard Price on request 1806.12-100-CY 2-Phenylphenol Price on request