2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673531 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673112 Thiamine hydrochloride, 250mg Price on request 31083 EPA Method 507/525 Analytes Mix #2 Rev.1 Price on request 3858.17-1G Hansa Yellow G, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2512-29-0 Price on request