D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Back Catalog number: 684690 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11440.22-100-IO 4-tert-Butylphenyldiphenyl phosphate-d13,100 µg/mL,isooctane,1mL Price on request 678072 Terbacil, 250mg Price on request EPA-1613CS3 Calibration Verification Solution , 1ml, nonane Price on request