4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679457 4,4'-DDD, 100 µg/ml, Methanol, 1ml Price on request 15900-4090-100AN5 Prometryn, 100μg/ml in Acetonitrile, 5ml Price on request 19092 EPA Method 604 - Phenols Standard Price on request