4,4’-DDT Back Catalog number: 79150 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 683798 Trihaloalkyl-Mix 1, 200 µg/ml, Methanol, 5ml Price on request 1572.36-100-ME Dimethyl pseudomorphine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 121395-47-9 Price on request 83596 EPA Method 515.1 Analytes - Underivatized Price on request