4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94456 n-Hydrocarbon Standard - C32,34,36,38 Price on request 681308 Afidopyropen, 100 µg/ml, Acetonitrile, 1ml Price on request 71811 Bisphenol A, 1000µg/ml in MeOH, 1ml Price on request