4,4'-DDD, 100 µg/ml, Toluene, 5ml Back Catalog number: 675989 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended C15845000 Pantothenic acid calcium, 250mg Price on request 59227 AA Standard #1 Price on request 58147 Silver (Ag) Price on request