4,4’-DDE Back Catalog number: 79688 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0940.14-500-IO 3,4-Dimethyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2828-65-1 Price on request 677930 Thionazin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request DF-IS-J20 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request