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 19222 EPA Method 8070 - Nitrosamines Price on request 12059.22-5MG Dexamethasone-4,6alpha,21,21-d4,neat,neat,5mg Price on request 94480 Volatiles - Sulfur Price on request