4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673530 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91740 5-alpha-Androstane Price on request 2042.8-100MG n-Perfluorooctanoic acid,neat,neat,100mg, Price on request 71464 Ethyl-t-butyl ether Price on request