2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673527 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended PN-56S 1,2,3,7,8-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 92219 Semi-Volatile Standard Price on request Q509520 Quercitrin, 50mg Price on request