2,4’-DDT Back Catalog number: 79452 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 81403 Chlorpyrifos, 1000µg/ml in Hexane 1ml Price on request 50223 ASTM D-3230-89 Price on request 678081 Bromophos-ethyl, 100 µg/ml, Acetonitrile, 1ml Price on request