4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673529 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 92654 Organic Surrogate Standard Price on request B316510 Benzyl Vinylcarbamate, 100mg Price on request 91816 Surrogate Standard Price on request