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 676552 Tecloftalam, 50mg Price on request 59205 Anions Mix Price on request 51127 Aromatics Quantitative Internal Standard Price on request