4,4’-DDT Back Catalog number: 70101 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1145.25-K-IO n-Pentacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-99-2 Price on request PCB-SCS-H Mass-Labelled PCB Cleanup/Sampling Standards, 1.2ml, nonane Price on request 679772 Dimethametryn, 100 µg/ml, Acetonitrile, 1ml Price on request