4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml Back Catalog number: S-FC92S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 31057 EPA Method 552.1 - Surrogate Standard Price on request 679456 2,4'-DDD, 100 µg/ml, Methanol, 1ml Price on request 15900-3090-100AN5 MCPB, 100µg/ml in Acetonitrile, 5ml Price on request