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 685755 Phorate-oxon-sulfoxide, 100µg/ml in Acetonitrile, 1ml Price on request 84521 MCPA Price on request 55196 WS-SDWA Sulfide Price on request