4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677871 D5-Chlorobenzene, 1ml Price on request 681472 D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10 Price on request M23-B-78-CDF 2,3-Dibromo-7,8-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request