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 676864 Coumaphos alcohol metabolite, 100mg Price on request 11705.12-100-IO 2,3',4',5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 83543 n-Butyraldehyde-DNPH Price on request