2,4’-DDD Back Catalog number: 70459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B197910 Benz[j]aceanthrylene and Benz[e]aceanthrylene_x000B_(70:30Mixture), 2,5mg Price on request 79465 Chlordane Price on request 79373 Hexachlorobutadiene Price on request