4,4'-DDE, 100mg Back Catalog number: 674983 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended M4H120 2',3,4',5,5'-Pentachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Price on request C20591500 Benzo(b)furan, certified, 25mg Price on request 79546 Butylated hydroxytoluene Price on request