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 91873 Volatile Standard Price on request 54512 Tetramethyl Ammonium Hydroxide Price on request 92738 Aroclor 1260 Price on request