4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59084 Minerals Standard #2 Price on request 96757 Pesticide Standard Price on request 9274.20-25MG Naltrexone hydrochloride, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 16676-29-2 Price on request