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 93924 EPA Method 515 Herbicide Acids Price on request 0742.11-K-IO 5-Methyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2809-64-5 Price on request 0232.30-100UG Naphtho[8,1,2-abc]coronene (Naphtho[2'.8',2.4]coronene), neat, Solvent-neat, Unit ca. 100µg, # of units-1, Cas.no. 6596-38-9 Price on request