4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673533 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 96996 VPH Internal - Surrogate Standard Draft 01-2012 Price on request 72408 Butyric acid Price on request 680045 Tyramine hydrochloride, 100mg Price on request